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08/11/1970
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Application #:
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04736416
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06/12/1968
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Title:
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AIR-COND SYSTEM HAVING HEAT STORAGE RESERVOIR
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04741108
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04748258
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04757240
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04797392
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04801064
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04871832
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05008873
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05014469
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05014470
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05014471
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05014472
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05015160
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05028678
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01/18/1972
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05031199
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Filing Dt:
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04/23/1970
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Title:
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REFRIG COMPRESSOR CONTROL RELAY TO CONTROL 2 TIME DELAY
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05042972
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05052467
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03/14/1972
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05075914
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Filing Dt:
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09/28/1970
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Title:
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REFRIGERATION SYSTEM WITH MULTIPLE CENTRIFUGAL COMPRESSORS AND LOAD BA LANCING CONTROL
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05091446
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05112329
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05132952
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05138957
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05175906
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05191873
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05194310
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06/28/1974
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Application #:
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05207900
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Filing Dt:
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12/14/1971
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Title:
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HERMETIC COMPRESSOR
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05259430
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05264101
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05272704
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05285392
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05307695
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05342660
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05345158
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12/03/1974
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Application #:
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05349253
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Filing Dt:
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04/09/1973
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Title:
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ELECTRIC SWITCHING SYSTEM
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Patent #:
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Issue Dt:
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10/14/1975
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Application #:
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05351486
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Filing Dt:
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04/16/1973
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Title:
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ELECTRICAL HEATING DEVICE FOR AIR DUCT
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05396165
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05398351
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05398352
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05405362
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05409108
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Issue Dt:
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09/30/1975
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Application #:
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05420756
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Filing Dt:
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11/30/1973
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Title:
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HOT AIR FURNACE W/IMPROVED HEAT EXCHANGER CONSTRUCTION
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Patent #:
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Application #:
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05434756
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05435673
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05438932
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05439505
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05472772
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Issue Dt:
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03/02/1976
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Application #:
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05495990
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Filing Dt:
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08/09/1974
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Title:
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HOT AIR FURNACE W/IMPROVED HEAT EXCHANGER CONSTRUCTION
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Patent #:
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Issue Dt:
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08/31/1976
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Application #:
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05502647
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Filing Dt:
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09/03/1974
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Title:
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AIR CONDITIONING MODULE
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Patent #:
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05607008
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Filing Dt:
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05627733
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05666277
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Title:
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Issue Dt:
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12/27/1977
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Application #:
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05731030
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Filing Dt:
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10/08/1976
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Title:
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SOLAR HEAT COLLECTOR
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Patent #:
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Issue Dt:
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Application #:
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05731896
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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05/02/1978
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Application #:
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05732697
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Filing Dt:
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10/14/1976
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Title:
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VARIABLE CAPACITY MULTIPLE COMPRESSOR REFRIGERATION SYSTEM
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Patent #:
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05759129
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Filing Dt:
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05789907
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05789909
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05798529
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05831032
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05853987
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Filing Dt:
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Patent #:
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Issue Dt:
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10/03/1978
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Application #:
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05853988
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Filing Dt:
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11/23/1977
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Title:
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CABINET BASE CONSTRUCTION FOR ROOF TOP AIR CONDITIONER
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Application #:
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05853989
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Filing Dt:
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Patent #:
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Issue Dt:
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01/01/1980
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05856400
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Filing Dt:
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12/01/1977
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Title:
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AIR CONDITIONING SYSTEM WITH REGENERATABLE DESICCANT BED
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Patent #:
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Issue Dt:
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03/18/1980
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05900992
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Filing Dt:
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04/28/1978
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Title:
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HEAD PRESSURE CONTROL FOR HEAT RECLAIM REFRIGERATION SYSTEMS
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Patent #:
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Issue Dt:
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10/23/1979
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05903376
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05/05/1978
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Title:
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IMPREGNATED CASTINGS CHEMICALLY RESISTANT TO CONTACT WITH HALOCARBON REFRIGERANT
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Patent #:
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05943013
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Filing Dt:
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Patent #:
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Issue Dt:
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07/22/1980
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05960362
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Filing Dt:
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11/13/1978
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Title:
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OIL SEPARATION AND RETURN SYSTEM FOR CENTRIFUGAL REFRIGERANT COMPRESSORS
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Patent #:
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Issue Dt:
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08/12/1980
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05971980
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Filing Dt:
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12/21/1978
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Title:
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AUTOMATIC CONTROL SYSTEM FOR A BUILDING
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Patent #:
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Issue Dt:
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02/03/1981
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06011987
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02/14/1979
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Title:
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REFRIGERATION SYSTEM WITH LOAD BALANCING CONTROL FOR AT LEAST THREE CENTRIFUGAL COMPRESSORS
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Patent #:
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Issue Dt:
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03/24/1981
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06022403
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03/21/1979
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Title:
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IMPELLER AND SHAFT ASSEMBLY FOR HIGH SPEED GAS COMPRESSOR
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03/24/1981
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06034869
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04/30/1979
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Title:
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VARIABLE DEAD BAND PRESSURE CONTROL SYSTEM
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Issue Dt:
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08/19/1980
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06045392
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06/04/1979
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Title:
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HEAT EXCHANGER-ACCUMULATOR
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Patent #:
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Issue Dt:
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05/05/1981
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06049686
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06/18/1979
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Title:
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METHOD AND APPARATUS FOR SURGE DETECTION AND CONTROL IN CENTRIFUGAL GAS COMPRESSORS
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Patent #:
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Issue Dt:
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01/05/1982
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06050548
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Filing Dt:
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06/21/1979
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Title:
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HEAT PUMP EMPLOYING OPTIMAL REFRIGERANT COMPRESSOR FOR LOW PRESSURE RATIO APPLICATIONS
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Issue Dt:
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04/21/1981
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06063240
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08/02/1979
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Title:
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HEAT PUMP
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Patent #:
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Issue Dt:
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11/03/1981
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06110977
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01/10/1980
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Title:
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HERMETIC COMPRESOR HAVING A VALVE TO DRAIN LEQUID ACCUMULATIONS FROM ITS CYLINDER HEAD
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Issue Dt:
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12/29/1981
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06140705
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Filing Dt:
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04/11/1980
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Title:
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HEAT PUMP WITH FREEZE-UP PREVENTION
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Patent #:
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Issue Dt:
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06/29/1982
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06140706
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04/16/1980
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Title:
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DUAL SOURCE HEAT PUMP
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Patent #:
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Issue Dt:
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12/29/1981
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Application #:
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06140771
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Filing Dt:
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04/16/1980
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Title:
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HEAT EXCHANGER EFFICIENTLY OPERABLE ALTERNATIVELY AS EVAPORATOR OR CONDENSER
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Patent #:
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Issue Dt:
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12/14/1982
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06150844
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05/19/1980
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Title:
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METHOD AND APPARATUS FOR SURGE DETECTION AND CONTROL IN CENTRIFUGAL GAS COMPRESSORS
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Patent #:
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Issue Dt:
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09/29/1981
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06153991
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05/28/1980
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Title:
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MULTIPLE HEAT PUMP AND HEAT BALANCING SYSTEM FOR MULTI-STAGE MATERIAL PROCESSING
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Patent #:
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Issue Dt:
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11/02/1982
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06174243
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07/31/1980
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Title:
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REFRIGERATION DEFROST CONTROL
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11/03/1981
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06178338
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08/15/1980
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Title:
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HEAT EXCHANGER WITH CRIMPED FLANGE SEAM
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Issue Dt:
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07/12/1983
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06179016
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08/18/1980
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Title:
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VARIABLE DEAD BAND PRESSURE CONTROL SYSTEM
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06/15/1982
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06200960
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10/27/1980
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Title:
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AIRFLOW LIMITER AND MEASUREMENT DEVICE
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Issue Dt:
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03/23/1982
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06204497
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Filing Dt:
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11/06/1980
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Title:
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HEAT PUMP WATER HEATER
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Patent #:
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Issue Dt:
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10/25/1983
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06229331
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Filing Dt:
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01/29/1981
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Title:
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WOUND TUBE HEAT EXCHANGER
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Issue Dt:
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12/14/1982
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Application #:
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06252799
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Filing Dt:
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04/10/1981
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Title:
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HEAT PUMP USING SOLAR AND OUTDOOR AIR HEAT SOURCES
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Patent #:
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Issue Dt:
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01/17/1984
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Application #:
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06255555
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Filing Dt:
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04/20/1981
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Title:
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SECTIONED CABINET FOR ROOM AIR CONDITIONING UNIT
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Patent #:
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Issue Dt:
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10/09/1984
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Application #:
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06272447
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Filing Dt:
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06/11/1981
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Title:
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AIR CONDITIONING AND HEAT PUMP CABINENTS WITH REMOVABLE COIL GUARDS
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Patent #:
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Issue Dt:
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01/04/1983
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Application #:
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06275966
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Filing Dt:
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06/22/1981
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Title:
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HEAT PUMP WATER HEATER WITH REMOTE STORAGE TANK AND TIMED TEMPERATURE SENSING
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Patent #:
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Issue Dt:
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04/10/1984
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Application #:
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06295041
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Filing Dt:
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08/21/1981
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Title:
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METHOD OF MANUFACTURING A HEAT EXCHANGER UNIT
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Patent #:
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Issue Dt:
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07/19/1983
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Application #:
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06301080
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Filing Dt:
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09/11/1981
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Title:
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TOP COVER, MOTOR, FAN AND FAN SHROUD ASSEMBLY FOR AN AIR CONDITIONING UNIT
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Patent #:
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Issue Dt:
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10/22/1985
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06329778
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Filing Dt:
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12/11/1981
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Title:
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METHOD OF MANUFACTURING A HEAT EXCHANGER AND PLATE ASSEMBLY
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Patent #:
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Issue Dt:
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04/19/1983
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Application #:
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06330005
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Filing Dt:
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12/11/1981
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Title:
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MULTIPLE SOURCE HEAT PUMP
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Patent #:
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Issue Dt:
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07/24/1984
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Application #:
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06345293
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Filing Dt:
|
02/03/1982
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Title:
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GROUND WATER HEAT PUMP SYSTEM FOR LOW YIELD WELL
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|
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Patent #:
|
|
Issue Dt:
|
09/04/1984
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Application #:
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06392945
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Filing Dt:
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06/28/1982
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Title:
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DAMPER APPARATUS
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