Thomas Robert Hapner

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Middletown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple cell heat transfer system
- Patent number 8,282,017
- Issue date Oct 9, 2012
- Tube Fabrication Design, Inc.
- Samuel David Hawkins
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE CELL LIQUID HEAT PUMP SYSTEM AND METHOD
- Publication number 20090114732
- Publication date May 7, 2009
- TUBE FABRICATION DESIGN, INC.
- Samuel David Hawkins
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Inshot burner
- Publication number 20050026100
- Publication date Feb 3, 2005
- Samuel D. Hawkins
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES