|
Total properties:
31
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/03/1974
|
Application #:
|
05349253
|
Filing Dt:
|
04/09/1973
|
|
Title:
|
ELECTRIC SWITCHING SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/14/1975
|
Application #:
|
05351486
|
Filing Dt:
|
04/16/1973
|
|
Title:
|
ELECTRICAL HEATING DEVICE FOR AIR DUCT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/30/1975
|
Application #:
|
05420756
|
Filing Dt:
|
11/30/1973
|
|
Title:
|
HOT AIR FURNACE W/IMPROVED HEAT EXCHANGER CONSTRUCTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/02/1976
|
Application #:
|
05495990
|
Filing Dt:
|
08/09/1974
|
|
Title:
|
HOT AIR FURNACE W/IMPROVED HEAT EXCHANGER CONSTRUCTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/31/1976
|
Application #:
|
05502647
|
Filing Dt:
|
09/03/1974
|
|
Title:
|
AIR CONDITIONING MODULE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
|
Application #:
|
05807904
|
Filing Dt:
|
|
|
Title:
|
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/01/1980
|
Application #:
|
05856400
|
Filing Dt:
|
12/01/1977
|
|
Title:
|
AIR CONDITIONING SYSTEM WITH REGENERATABLE DESICCANT BED
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/19/1980
|
Application #:
|
06045392
|
Filing Dt:
|
06/04/1979
|
|
Title:
|
HEAT EXCHANGER-ACCUMULATOR
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/05/1982
|
Application #:
|
06050548
|
Filing Dt:
|
06/21/1979
|
|
Title:
|
HEAT PUMP EMPLOYING OPTIMAL REFRIGERANT COMPRESSOR FOR LOW PRESSURE RATIO APPLICATIONS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/29/1981
|
Application #:
|
06140705
|
Filing Dt:
|
04/11/1980
|
|
Title:
|
HEAT PUMP WITH FREEZE-UP PREVENTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/29/1982
|
Application #:
|
06140706
|
Filing Dt:
|
04/16/1980
|
|
Title:
|
DUAL SOURCE HEAT PUMP
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/29/1981
|
Application #:
|
06140771
|
Filing Dt:
|
04/16/1980
|
|
Title:
|
HEAT EXCHANGER EFFICIENTLY OPERABLE ALTERNATIVELY AS EVAPORATOR OR CONDENSER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/03/1981
|
Application #:
|
06178338
|
Filing Dt:
|
08/15/1980
|
|
Title:
|
HEAT EXCHANGER WITH CRIMPED FLANGE SEAM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/23/1982
|
Application #:
|
06204497
|
Filing Dt:
|
11/06/1980
|
|
Title:
|
HEAT PUMP WATER HEATER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/1983
|
Application #:
|
06229331
|
Filing Dt:
|
01/29/1981
|
|
Title:
|
WOUND TUBE HEAT EXCHANGER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/09/1984
|
Application #:
|
06272447
|
Filing Dt:
|
06/11/1981
|
|
Title:
|
AIR CONDITIONING AND HEAT PUMP CABINENTS WITH REMOVABLE COIL GUARDS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/04/1983
|
Application #:
|
06275966
|
Filing Dt:
|
06/22/1981
|
|
Title:
|
HEAT PUMP WATER HEATER WITH REMOTE STORAGE TANK AND TIMED TEMPERATURE SENSING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/10/1984
|
Application #:
|
06295041
|
Filing Dt:
|
08/21/1981
|
|
Title:
|
METHOD OF MANUFACTURING A HEAT EXCHANGER UNIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/19/1983
|
Application #:
|
06301080
|
Filing Dt:
|
09/11/1981
|
|
Title:
|
TOP COVER, MOTOR, FAN AND FAN SHROUD ASSEMBLY FOR AN AIR CONDITIONING UNIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/22/1985
|
Application #:
|
06329778
|
Filing Dt:
|
12/11/1981
|
|
Title:
|
METHOD OF MANUFACTURING A HEAT EXCHANGER AND PLATE ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/19/1983
|
Application #:
|
06330005
|
Filing Dt:
|
12/11/1981
|
|
Title:
|
MULTIPLE SOURCE HEAT PUMP
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/16/1985
|
Application #:
|
06417672
|
Filing Dt:
|
09/13/1982
|
|
Title:
|
METHOD OF MANUFACTURING A TWO-PLATE HEAT EXCHANGER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/26/1985
|
Application #:
|
06445149
|
Filing Dt:
|
11/29/1982
|
|
Title:
|
MOUNTING CURB FOR MULTIPLE UNIT AIR CONDITIONING SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/17/1987
|
Application #:
|
06490552
|
Filing Dt:
|
05/02/1983
|
|
Title:
|
HEAT EXCHANGER AND PLATE ASSEMBLY AND METHOD OF MANUFACTURE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/03/1985
|
Application #:
|
06490729
|
Filing Dt:
|
05/02/1983
|
|
Title:
|
METHOD FOR MANUFACTURING A FURNACE HEAT EXCHANGER AND PLATE ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/12/1988
|
Application #:
|
06655044
|
Filing Dt:
|
09/26/1984
|
|
Title:
|
HEAT EXCHANGER UNIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/12/1987
|
Application #:
|
06770628
|
Filing Dt:
|
08/28/1985
|
|
Title:
|
APPARATUS FOR MANUFACTURING A FURNACE HEAT EXCHANGER AND PLATE ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/13/1990
|
Application #:
|
07205733
|
Filing Dt:
|
06/13/1988
|
|
Title:
|
DUAL WALL EVAPORATOR PAN
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/16/1990
|
Application #:
|
07239348
|
Filing Dt:
|
09/01/1988
|
|
Title:
|
METHOD AND EXPANDER FOR MANUFACTURING A FURNACE HEAT EXCHANGER AND PLATE ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/09/1990
|
Application #:
|
07247633
|
Filing Dt:
|
09/22/1988
|
|
Title:
|
CONDENSATE DRAIN SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/18/1991
|
Application #:
|
07361429
|
Filing Dt:
|
06/05/1989
|
|
Title:
|
FURNACE PROTECTIVE DEVICE
|
|
