HOFFMAN CONTROLS CORP.

Organization

DALLAS, TX, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Variable speed motor control circuit
- Patent number 7,248,015
- Issue date Jul 24, 2007
- Hoffman Controls Corp.
- Howard P. Byrnes, Jr.
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed fan motor control for forced air heating/cooling system
- Patent number 7,191,826
- Issue date Mar 20, 2007
- Hoffman Controls Corp.
- Howard P. Byrnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Variable speed fan motor control for forced air heating/cooling system
- Patent number 6,695,046
- Issue date Feb 24, 2004
- Hoffman Controls Corp.
- Howard P. Byrnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Variable speed fan motor control for forced air heating/cooling system
- Patent number 6,684,944
- Issue date Feb 3, 2004
- Hoffman Controls Corp.
- Howard P. Byrnes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Variable speed fan motor control for forced air heating/cooling system
- Patent number 6,070,660
- Issue date Jun 6, 2000
- Hoffman Controls Corp.
- Howard P. Byrnes
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Proportional motor drive control
- Patent number 4,607,789
- Issue date Aug 26, 1986
- Hoffman Controls Corporation
- William W. Bowman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Proportional motor drive control
- Patent number 4,422,571
- Issue date Dec 27, 1983
- Hoffman Controls Corp.
- William W. Bowman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air flow sensor
- Patent number 4,413,514
- Issue date Nov 8, 1983
- Hoffman Controls Corporation
- William W. Bowman
- G01 - MEASURING TESTING

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Patents Applicationslast 30 patents

Information Patent Application
Variable speed fan motor control for forced air heating/cooling system
- Publication number 20040173346
- Publication date Sep 9, 2004
- HOFFMAN CONTROLS CORP.
- Howard P. Byrnes
- F24 - HEATING RANGES VENTILATING

HOFFMAN CONTROLS CORP.

Organization

Patents Grantslast 30 patents

Variable speed motor control circuit

Variable speed fan motor control for forced air heating/cooling system

Variable speed fan motor control for forced air heating/cooling system

Variable speed fan motor control for forced air heating/cooling system

Variable speed fan motor control for forced air heating/cooling system

Proportional motor drive control

Proportional motor drive control

Air flow sensor

Patents Applicationslast 30 patents

Variable speed fan motor control for forced air heating/cooling system