Robert G. Roycroft

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Whitehouse, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Inducer speed control method for combustion furnace
- Patent number 9,261,277
- Issue date Feb 16, 2016
- Trane International Inc.
- Gordon Jeffrey Hugghins
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning apparatus with integrated air filtration system
- Patent number 7,601,204
- Issue date Oct 13, 2009
- Trane International Inc.
- Mark D. Woodruff
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Inducer speed control method for combustion furnace
- Publication number 20090044794
- Publication date Feb 19, 2009
- American Standard International Inc
- Gordon Jeffrey Hugghins
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Air conditioning apparatus with integrated air filtration system
- Publication number 20080053309
- Publication date Mar 6, 2008
- AMERICAN STANDARD INTERNATIONAL INC.
- Mark D. Woodruff
- F24 - HEATING RANGES VENTILATING