James W. Powell

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Guilford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Zero superheat refrigeration compression system
- Patent number 5,363,674
- Issue date Nov 15, 1994
- Ecoair Corp.
- James W. Powell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Control system for an air conditioning/refrigeration system
- Patent number 5,335,507
- Issue date Aug 9, 1994
- Ecoair Corporated
- James W. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control system for an air conditioning/refrigeration system
- Patent number 5,284,026
- Issue date Feb 8, 1994
- Ecoair Corporation
- James W. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control system for an air conditioning/refrigeration system
- Patent number 5,203,179
- Issue date Apr 20, 1993
- Ecoair Corporation
- James W. Powell
- F24 - HEATING RANGES VENTILATING