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Patent #:
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Issue Dt:
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06/13/1989
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Application #:
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07179790
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Filing Dt:
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04/11/1988
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Title:
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VAV VALVE CONTROL WITH TRANSDUCER TOLERANCE COMPENSATION
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Patent #:
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Issue Dt:
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01/31/1989
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Application #:
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07187669
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Filing Dt:
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04/28/1988
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Title:
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REFRIGERATION COMPRESSOR WITH DUAL VOLTAGE HOOKUP
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Patent #:
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Issue Dt:
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06/20/1989
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Application #:
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07194271
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Filing Dt:
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05/16/1988
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Title:
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SCROLL COMPRESSOR RELIEF VALVE
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Patent #:
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Issue Dt:
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09/19/1989
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Application #:
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07212766
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Filing Dt:
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06/29/1988
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Title:
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SCROLL COMPRESSOR WITH AXIALLY BALLANCED SHAFT
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Patent #:
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Issue Dt:
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07/09/1991
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Application #:
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07256786
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Filing Dt:
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10/12/1988
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Title:
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APPARATUS AND METHOD FOR GROUND ISOLATED SYSTEM DIAGNOSTICS
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Patent #:
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Issue Dt:
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12/05/1989
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Application #:
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07279638
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Filing Dt:
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12/05/1988
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Title:
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ELECTRIC MOTOR DRIVEN AIR VALVE
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Patent #:
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Issue Dt:
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07/25/1989
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Application #:
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07297920
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Filing Dt:
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01/17/1989
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Title:
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TIME BASED COOLING BELOW SET POINT TEMPERATURE
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Patent #:
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Issue Dt:
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12/04/1990
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Application #:
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07392672
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Filing Dt:
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08/11/1989
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Title:
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CONTROL METHOD AND APPARATUS FOR REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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09/11/1990
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Application #:
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07398811
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Filing Dt:
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08/25/1989
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Title:
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CAPILLARY TUBE ASSEMBLY AND METHOD OF MANUFACTURE
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Patent #:
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Issue Dt:
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07/09/1991
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Application #:
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07468653
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Filing Dt:
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01/23/1990
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Title:
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OIL SEPARATOR FOR REFRIGERATION SYSTEMS
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Patent #:
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Issue Dt:
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07/16/1991
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Application #:
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07482592
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Filing Dt:
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02/21/1990
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Title:
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REFRIGERATION SYSTEM THERMAL PURGE APPARATUS
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Patent #:
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Issue Dt:
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10/08/1991
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Application #:
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07502354
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Filing Dt:
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03/30/1990
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Title:
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COMPRESSOR MOTOR PROTECTION SYSTEM
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07502355
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Filing Dt:
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03/30/1990
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Title:
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MULTILEVEL PHASE UNBALANCE COMPRESSOR MOTOR PROTECTION SYSTEM
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Patent #:
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Issue Dt:
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08/18/1992
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Application #:
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07503482
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Filing Dt:
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04/03/1990
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Title:
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CONDENSER FAN CONTROL SYSTEM FOR USE WITH VARIABLE CAPACITY COMPRESSOR
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Patent #:
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Issue Dt:
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04/23/1991
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Application #:
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07511706
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Filing Dt:
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04/20/1990
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Title:
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FAULT DETERMINATION TEST METHOD FOR SYSTEMS INCLUDING AN ELECTRONIC EXPANSION VALVE AND ELECTRONIC CONTROLLER
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Patent #:
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Issue Dt:
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03/19/1991
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Application #:
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07513140
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Filing Dt:
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04/23/1990
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Title:
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METHOD FOR CONTROLLING AN ELECTRONIC EXPANSION VALVE IN REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07513326
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Filing Dt:
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04/20/1990
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Title:
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METHOD AND APPARATUS FOR DETERMINING FULL LOAD CONDITION IN A SCREW COMPRESSOR
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Patent #:
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Issue Dt:
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08/13/1991
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Application #:
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07554223
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Filing Dt:
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07/16/1990
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Title:
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THERMOSTAT INTERFACE FOR A REFRIGERATION SYSTEM CONTROLLER
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Patent #:
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Issue Dt:
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08/27/1991
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Application #:
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07554302
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Filing Dt:
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07/16/1990
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Title:
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CONTROLLING HVAC TEST FUNCTIONS
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Patent #:
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Issue Dt:
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08/24/1993
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Application #:
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07556770
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Filing Dt:
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07/23/1990
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Title:
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CONFIGURATION WIRING HARNESS FOR HVAC CONTROLLER
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Patent #:
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Issue Dt:
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01/04/1994
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Application #:
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07557253
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Filing Dt:
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07/23/1990
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Title:
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SELF CONFIGURING CONTROLLER
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07563163
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Filing Dt:
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08/03/1990
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Title:
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WAVY HEAT TRANSFER SURFACE
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Patent #:
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Issue Dt:
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07/09/1991
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Application #:
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07600331
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Filing Dt:
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10/19/1990
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Title:
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ACCESS PANEL INCLUDING DETACHABLE PORTION TO ACCOMMODATE PIPE PENE- TRATION
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Patent #:
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Issue Dt:
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10/29/1991
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Application #:
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07610887
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Filing Dt:
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11/06/1990
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Title:
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FURNACE HEAT EXCHANGER
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Patent #:
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Issue Dt:
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09/24/1991
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Application #:
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07632253
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Filing Dt:
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12/21/1990
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Title:
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METHOD OF LOCKING A PIVOTABLE ASSEMBLY FOR SHIPPING
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Patent #:
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Issue Dt:
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11/26/1991
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Application #:
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07653836
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Filing Dt:
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02/11/1991
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Title:
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CONDENSER COIL ARRANGEMENT FOR REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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11/10/1992
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Application #:
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07691940
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Filing Dt:
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04/26/1991
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Title:
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METHOD AND APPARATUS FOR CONFIGURING AND CONTROLLING A LOAD
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Patent #:
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Issue Dt:
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06/23/1992
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Application #:
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07696896
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Filing Dt:
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05/07/1991
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Title:
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METHOD OF COMPRESSOR STAGING FOR A MULTI-COMPRESSOR REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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05/18/1993
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Application #:
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07747894
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Filing Dt:
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08/19/1991
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Title:
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COMBINATION LIFT PISTON/AXIAL PORT UNLOADER ARRANGEMENT FOR A SCREW COMPRESSOR
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Patent #:
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Issue Dt:
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02/14/1995
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Application #:
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07770055
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Filing Dt:
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10/01/1991
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Title:
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WIRELESS COMMUNICATION SYSTEM FOR AIR DISTRIBUTION SYSTEM
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Patent #:
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Issue Dt:
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07/06/1993
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Application #:
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07858480
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Filing Dt:
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03/27/1992
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Title:
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TWO-WAY WIRELESS HVAC SYSTEM AND THERMOSTAT
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Patent #:
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Issue Dt:
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04/20/1993
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Application #:
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07903045
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Filing Dt:
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06/23/1992
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Title:
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PISTON UNLOADER ARRANGEMENT FOR SCREW COMPRESSORS
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Patent #:
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Issue Dt:
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12/21/1993
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Application #:
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07934998
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Filing Dt:
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08/25/1992
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Title:
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INTEGRATED FURNACE CONTROL
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Patent #:
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Issue Dt:
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05/10/1994
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Application #:
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07937326
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Filing Dt:
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08/27/1992
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Title:
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BLOWER DECK FOR UPFLOW OR DOWNFLOW FURNACE
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Patent #:
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Issue Dt:
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08/03/1993
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Application #:
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08008917
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Filing Dt:
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01/26/1993
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Title:
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METHOD OF COMPRESSOR STAGING FOR MULTI-COMPRESSOR MULTI-CIRCUITED REFRIGERATION SYSTEMS
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Patent #:
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Issue Dt:
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11/08/1994
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Application #:
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08064325
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Filing Dt:
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05/20/1993
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Title:
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A SETUP TOOL FOR A WIRELESS COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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01/31/1995
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Application #:
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08064387
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Filing Dt:
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05/21/1993
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Title:
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PERSONAL COMFORT SYSTEM
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Patent #:
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Issue Dt:
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08/30/1994
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Application #:
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08068021
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Filing Dt:
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05/27/1993
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Title:
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WIRELESS AIR BALANCING SYSTEM
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Patent #:
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Issue Dt:
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07/18/1995
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Application #:
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08088946
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Filing Dt:
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07/12/1993
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Title:
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APPARATUS AND METHOD FOR PROTECTING INDUCTION MOTORS FROM MOMENTARY POWER LOSS
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Patent #:
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Issue Dt:
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09/20/1994
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Application #:
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08096801
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Filing Dt:
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07/23/1993
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Title:
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APPARATUS AND METHOD OF OIL CHARGE LOSS PROTECTION FOR COMPRESSORS
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Patent #:
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Issue Dt:
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10/18/1994
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Application #:
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08107391
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Filing Dt:
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08/16/1993
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Title:
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CONTROL METHOD AND APPARATUS FOR A CENTRIFUGAL CHILLER USING A VARIABLE SPEED IMPELLER MOTOR DRIVE
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Patent #:
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Issue Dt:
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03/14/1995
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Application #:
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08130894
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Filing Dt:
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10/01/1993
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Title:
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INTEGRAL SUSPENSION SYSTEM
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Patent #:
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Issue Dt:
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08/30/1994
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Application #:
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08135367
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Filing Dt:
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10/12/1993
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Title:
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FAIL SAFE MECHANICAL OIL SHUTOFF ARRANGEMENT FOR SCREW COMPRESSOR
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Patent #:
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Issue Dt:
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06/30/1998
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Application #:
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08171149
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Filing Dt:
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12/21/1993
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Title:
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APPARATUS AND METHOD FOR EFFICIENCY AND OUTPUT CAPACITY MATCHING IN A CENTRIFUGAL FAN
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Patent #:
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Issue Dt:
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05/16/1995
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Application #:
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08187968
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Filing Dt:
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01/28/1994
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Title:
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APPARATUS AND METHOD FOR REDUCING OVERSHOOT IN RESPONSE TO THE SETPOINT CHANGE OF AN AIR CONDITIONING SYSTEM
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Patent #:
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Issue Dt:
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09/05/1995
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Application #:
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08221671
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Filing Dt:
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03/31/1994
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Title:
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ECONOMIZER PREFERRED COOLING CONTROL
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Patent #:
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Issue Dt:
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10/08/1996
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Application #:
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08222214
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Filing Dt:
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03/31/1994
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Title:
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STARTER CONTACT INTEGRITY TEST
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Patent #:
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Issue Dt:
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09/26/1995
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Application #:
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08227927
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Filing Dt:
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04/15/1994
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Title:
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REVERSE PHASE AND HIGH DISCHARGE TEMPERATURE PROTECTION IN A SCROLL COMPRESSOR
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Patent #:
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Issue Dt:
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03/07/1995
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Application #:
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08228235
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Filing Dt:
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04/15/1994
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Title:
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INDOOR AIR QUALITY SENSOR AND METHOD
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Patent #:
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Issue Dt:
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05/30/1995
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Application #:
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08234091
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Filing Dt:
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04/28/1994
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Title:
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EVAPORATOR WATER TEMPERATURE CONTROL FOR A CHILLER SYSTEM
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Patent #:
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Issue Dt:
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01/23/1996
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Application #:
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08258000
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Filing Dt:
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06/10/1994
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Title:
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REDUCED PROFILE THERMOSTAT
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Patent #:
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Issue Dt:
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04/02/1996
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Application #:
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08264832
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Filing Dt:
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06/23/1994
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Title:
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NON-CONCENTRIC OIL SEPARATOR
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Patent #:
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Issue Dt:
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07/11/1995
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Application #:
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08266539
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Filing Dt:
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06/27/1994
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Title:
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APPARATUS AND METHOD OF OIL CHARGE LOSS PROTECTION FOR COMPRESSORS
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Patent #:
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Issue Dt:
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11/05/1996
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Application #:
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08266905
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Filing Dt:
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06/27/1994
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Title:
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COMPACT CENTRIFUGAL FAN
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Patent #:
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Issue Dt:
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07/09/1996
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Application #:
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08289828
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Filing Dt:
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08/12/1994
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Title:
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REFRIGERANT RECOVERY SYSTEMS EMPLOYING SERIES/PARALLEL PUMPS
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Patent #:
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Issue Dt:
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03/19/1996
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Application #:
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08291264
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Filing Dt:
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08/16/1994
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Title:
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NOISE CONTROL IN A CENTRIFUGAL CHILLER
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Patent #:
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Issue Dt:
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07/09/1996
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Application #:
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08296850
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Filing Dt:
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08/26/1994
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Title:
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AVERAGE AIR TEMPERATURE SENSOR
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Patent #:
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Issue Dt:
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05/30/1995
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Application #:
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08296986
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Filing Dt:
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08/26/1994
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Title:
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COOLING OF COMPRESSOR LUBRICANT IN A REFRIGERATION SYSTEM CONDENSER
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Patent #:
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Issue Dt:
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06/04/1996
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Application #:
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08305223
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Filing Dt:
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09/13/1994
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Title:
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ACOUSTIC ATTENUATING CURB
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Patent #:
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Issue Dt:
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07/23/1996
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Application #:
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08345149
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Filing Dt:
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11/28/1994
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Title:
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CONTROL METHOD AND APPARTUS FOR A CENTRIFUGAL CHILLER USING A VARIABLE SPEED IMPELLER MOTOR DRIVE
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Patent #:
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Issue Dt:
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10/07/1997
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Application #:
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08377321
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Filing Dt:
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01/24/1995
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Title:
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FRESH AIR FLOW MODULATION DEVICE
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Patent #:
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Issue Dt:
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04/16/1996
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Application #:
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08389519
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Filing Dt:
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02/16/1995
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Title:
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NOISE REDUCTION IN SCREW COMPRESSOR-BASED REFRIGERATION SYSTEMS
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Patent #:
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Issue Dt:
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04/23/1996
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Application #:
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08393957
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Filing Dt:
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02/24/1995
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Title:
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GAS ACTUATED SLIDE VALVE IN A SCREW COMPRESSOR
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Patent #:
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Issue Dt:
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05/27/1997
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Application #:
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08396305
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Filing Dt:
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02/28/1995
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Title:
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FEED FORWARD CONTROL OF EXPANSION VALVE
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Patent #:
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Issue Dt:
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11/05/1996
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Application #:
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08400684
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Filing Dt:
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03/08/1995
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Title:
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COOLING OF COMPRESSOR LUBRICANT IN A REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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07/09/1996
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Application #:
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08418340
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Filing Dt:
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04/07/1995
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Title:
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SCROLL COMPRESSOR HAVING A FRAME AND OPEN SLEEVE FOR CONTROLLING GAS AND LUBRICANT FLOW
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Patent #:
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Issue Dt:
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12/31/1996
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Application #:
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08449965
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Filing Dt:
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05/25/1995
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Title:
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FALLING FILM EVAPORATOR WITH REFRIGERANT DISTRIBUTION SYSTEM
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Patent #:
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Issue Dt:
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10/08/1996
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Application #:
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08452605
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Filing Dt:
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05/25/1995
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Title:
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FALLING FILM EVAPORATOR WITH VAPOR-LIQUID SEPARATOR
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Patent #:
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Issue Dt:
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11/19/1996
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Application #:
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08518907
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Filing Dt:
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08/24/1995
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Title:
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NOISE CONTROL IN A CENTRIFUGAL CHILLER
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Patent #:
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Issue Dt:
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07/23/1996
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Application #:
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08535391
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Filing Dt:
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09/28/1995
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Title:
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REFRIGERANT RECOVERY SYSTEMS EMPLOYING SERIES/PARALLEL PUMPS
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Patent #:
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Issue Dt:
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09/09/1997
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Application #:
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08548629
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Filing Dt:
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10/26/1995
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Title:
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AIR FILTER CHANNEL AND PULLER
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Patent #:
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Issue Dt:
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11/10/1998
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Application #:
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08555665
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Filing Dt:
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11/13/1995
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Title:
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SOUND ABSORPTION ROOFTOP CURB
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Patent #:
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Issue Dt:
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02/11/1997
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Application #:
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08563848
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Filing Dt:
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11/28/1995
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Title:
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NEAR OPTIMIZATION OF COOLING TOWER CONDENSER WATER
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Patent #:
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Issue Dt:
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09/10/1996
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Application #:
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08586417
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Filing Dt:
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01/16/1996
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Title:
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CONTROL METHOD AND APPARATUS FOR A CENTRIFUGAL CHILLER USING A VARIABLE SPEED IMPELLER MOTOR DRIVE
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Patent #:
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Issue Dt:
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06/30/1998
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Application #:
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08611586
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Filing Dt:
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03/06/1996
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Title:
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GAS FLOW AND LUBRICATION OF A SCROLL COMPRESSOR
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Patent #:
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Issue Dt:
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06/17/1997
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Application #:
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08611728
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Filing Dt:
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03/06/1996
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Title:
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FALLING FILM EVAPORATOR WITH REFRIGERANT DISTRIBUTION SYSTEM
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Patent #:
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Issue Dt:
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06/19/2001
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Application #:
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08652740
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Filing Dt:
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05/23/1996
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Title:
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APPARATUS FOR GENERATING A SPARK
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Patent #:
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Issue Dt:
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04/14/1998
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Application #:
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08665933
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Filing Dt:
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06/19/1996
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Title:
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CONTINUOUS HEAT EXCHANGER FORMING APPARATUS
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Patent #:
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Issue Dt:
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07/08/1997
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Application #:
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08692032
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Filing Dt:
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08/02/1996
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Title:
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FALLING FILM EVAPORATOR WITH REFRIGERANT DISTRIBUTION SYSTEM
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Patent #:
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Issue Dt:
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04/11/2000
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Application #:
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08693841
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Filing Dt:
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08/02/1996
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Title:
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DITHERING AN ANALOG SIGNAL TO IMPROVE MEASUREMENT
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Patent #:
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Issue Dt:
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09/22/1998
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Application #:
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08710235
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Filing Dt:
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09/13/1996
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Title:
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SERIAL HEAT EXCHANGER AND CASCADE CIRCUITRY
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Patent #:
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Issue Dt:
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04/07/1998
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Application #:
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08712100
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Filing Dt:
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09/11/1996
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Title:
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COMBUSTION BLOWER SHAFT LEAKAGE RELIEF
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Patent #:
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Issue Dt:
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01/06/1998
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Application #:
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08712400
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Filing Dt:
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09/11/1996
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Title:
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FURNACE CONDENSATE TRAP
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08725789
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Filing Dt:
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10/04/1996
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Title:
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METHOD FOR CONTROLLING AN AIR CONDITIONING SYSTEM FOR OPTIMUM HUMIDITY CONTROL
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Patent #:
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Issue Dt:
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10/20/1998
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Application #:
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08747178
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Filing Dt:
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11/12/1996
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Title:
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OUTDOOR FAN CONTROL FOR PART LOAD EFFICIENCY
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Patent #:
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Issue Dt:
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10/14/1997
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Application #:
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08756629
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Filing Dt:
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11/26/1996
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Title:
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OIL MANAGEMENT APPARATUS FOR A REFRIGERATION CHILLER
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Patent #:
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Issue Dt:
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08/07/2001
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Application #:
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08762896
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Filing Dt:
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12/10/1996
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Title:
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VALVE-IN-VALVE BODY, VENT PORT AND METHOD
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Patent #:
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Issue Dt:
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11/10/1998
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Application #:
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08763775
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Filing Dt:
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12/11/1996
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Title:
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GAS ACTUATED SLIDE VALVE IN A SCREW COMPRESSOR
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Patent #:
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Issue Dt:
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09/22/1998
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Application #:
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08768743
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Filing Dt:
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12/17/1996
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Title:
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FEED FORWARD CONTROL OF EXPANSION VALVE
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Patent #:
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Issue Dt:
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06/29/1999
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Application #:
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08790407
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Filing Dt:
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01/29/1997
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Title:
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INTEGRATED HUMIDITY AND TEMPERATURE CONTROLLER
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Patent #:
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Issue Dt:
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06/09/1998
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Application #:
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08801545
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Filing Dt:
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02/18/1997
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Title:
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OIL RETURN FROM EVAPORATOR TO COMPRESSOR IN A REFRIGERATION SYSTEM
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Patent #:
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Issue Dt:
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08/06/2002
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Application #:
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08806805
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Filing Dt:
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02/26/1997
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Title:
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NUCLEATE BOILING SURFACE
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Patent #:
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Issue Dt:
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04/21/1998
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Application #:
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08843066
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Filing Dt:
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04/11/1997
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Title:
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"FRESH AIR FLOR MODULATION DEVICE"
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Patent #:
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Issue Dt:
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02/09/1999
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Application #:
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08850172
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Filing Dt:
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05/02/1997
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Title:
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TANGENTIAL FAN CUTOFF
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Patent #:
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Issue Dt:
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07/14/1998
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Application #:
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08859900
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Filing Dt:
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05/21/1997
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Title:
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LIQUID LEVEL SENSOR USING REFRIGRANT SUBCOOLING
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Patent #:
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Issue Dt:
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11/03/1998
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Application #:
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08870314
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Filing Dt:
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06/05/1997
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Title:
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FRESH AIR INLET DAMPER
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Patent #:
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Issue Dt:
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10/19/1999
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Application #:
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08870517
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Filing Dt:
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06/05/1997
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Title:
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HEAT EXCHANGE HAVING MICROCHANNEL TUBING AND SPINE FIN HEAT TRANSFER SURFACE
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Patent #:
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Issue Dt:
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03/14/2000
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Application #:
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08872870
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Filing Dt:
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06/11/1997
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Title:
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START-UP METHOD AND APPARATUS IN REFRIGERATION CHILLERS
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Patent #:
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Issue Dt:
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11/09/1999
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Application #:
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08892987
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Filing Dt:
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07/15/1997
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Title:
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SINGLE-SOURCE GAS ACTUATION FOR SCREW COMPRESSOR SLIDE VALVE ASSEMBLY
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Patent #:
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Issue Dt:
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09/14/1999
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Application #:
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08910957
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Filing Dt:
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08/08/1997
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Title:
|
COMPRESSOR MINIMUM CAPACITY CONTROL
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