Donald C. Wellman

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Marcellus, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable volume multizone system
- Patent number 4,630,670
- Issue date Dec 23, 1986
- Carrier Corporation
- Donald C. Wellman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable volume multizone system
- Patent number 4,549,601
- Issue date Oct 29, 1985
- Carrier Corporation
- Donald C. Wellman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable volume multizone unit
- Patent number 4,531,573
- Issue date Jul 30, 1985
- Carrier Corporation
- William E. Clark
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Venturi flow measuring device and method
- Patent number 4,509,371
- Issue date Apr 9, 1985
- Carrier Corporation
- Donald C. Wellman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of operating a variable volume multizone air conditioning unit
- Patent number 4,495,986
- Issue date Jan 29, 1985
- Carrier Corporation
- William E. Clark
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Discharge housing assembly for a vane axial fan
- Patent number 4,182,596
- Issue date Jan 8, 1980
- Carrier Corporation
- Donald C. Wellman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...