David J. Carpenter

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Santa Rosa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Displacement ventilation systems for enclosed spaces
- Patent number 11,268,710
- Issue date Mar 8, 2022
- David J. Carpenter
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Displacement ventilation systems for enclosed spaces
- Patent number 9,851,116
- Issue date Dec 26, 2017
- David J. Carpenter
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
DISPLACEMENT VENTILATION SYSTEMS HAVING INTEGRATED HEAT EXCHANGERS...
- Publication number 20220186973
- Publication date Jun 16, 2022
- David J. Carpenter
- F24 - HEATING RANGES VENTILATING
Information Patent Application
DISPLACEMENT VENTILATION SYSTEMS FOR ENCLOSED SPACES
- Publication number 20180156481
- Publication date Jun 7, 2018
- David J. Carpenter
- F24 - HEATING RANGES VENTILATING
Information Patent Application
DISPLACEMENT VENTILATION SYSTEMS FOR ENCLOSED SPACES
- Publication number 20110159796
- Publication date Jun 30, 2011
- David J. Carpenter
- F24 - HEATING RANGES VENTILATING