Doug E. Hills

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Cloverdale, CA

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Patents Applicationslast 30 patents

Information Patent Application
FIREPLACE FRONT PANEL INTERIOR ACCESS AND REMOVAL SYSTEM AND METHOD
- Publication number 20070235018
- Publication date Oct 11, 2007
- Douglas Ernest Hills
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MULTI-ZONE GAS FIREPLACE SYSTEM AND METHOD FOR CONTROL
- Publication number 20070235020
- Publication date Oct 11, 2007
- Douglas Ernest Hills
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
RECONFIGURABLE FIREPLACE SYSTEM AND METHOD
- Publication number 20070204859
- Publication date Sep 6, 2007
- Robert A. Little
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Heat transfer controller
- Publication number 20040069296
- Publication date Apr 15, 2004
- FPI Fireplace Products International, Ltd.
- Matthew M. Y. Cheng
- F24 - HEATING RANGES VENTILATING