using mechanical means

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Patents Grantslast 30 patents

Information Patent Grant
Induced draft combustion water heater
- Patent number 5,636,598
- Issue date Jun 10, 1997
- SABH (U.S.) Water Heater Group, Inc.
- H. Jack Moore
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus for modulating the flow of air and fuel to a gas burner
- Patent number 5,520,533
- Issue date May 28, 1996
- Honeywell Inc.
- Enno Vrolijk
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Adaptive, modulating boiler control system
- Patent number 4,497,438
- Issue date Feb 5, 1985
- Honeywell Inc.
- Ulrich Bonne
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
2986645
- Patent number 2,986,645
- Issue date May 30, 1961
- F22 - STEAM GENERATION
Information Patent Grant
2811120
- Patent number 2,811,120
- Issue date Oct 29, 1957
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES