using solid combustibles

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Patents Grantslast 30 patents

Information Patent Grant
Hollow draft inducers (draft inducers or hollow inducers)
- Patent number 9,273,873
- Issue date Mar 1, 2016
- Home Energy Technologies, Inc.
- Paul N Ohunna
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Forced draft direct vent type room heater
- Patent number 8,480,007
- Issue date Jul 9, 2013
- Rinnai Corporation
- Satoshi Kaneiwa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Forced draft direct vent type room heater
- Patent number 8,474,729
- Issue date Jul 2, 2013
- Rinnai Corporation
- Satoshi Kaneiwa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heater
- Patent number 8,157,560
- Issue date Apr 17, 2012
- HY-C Company LLC
- Charles Randolph Stires
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Three wall forced air heating unit
- Patent number 4,301,783
- Issue date Nov 24, 1981
- CEBU Corporation
- Carrol E. Buckner
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
1717715
- Patent number 1,717,715
- Issue date Jun 18, 1929
- F24 - HEATING RANGES VENTILATING