Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combustion air shutoff system for a fuel-fired heating appliance

Combustion air shutoff system for a fuel-fired heating appliance

US Patent 6035812 · Granted Mar 14, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Burner flashback detection and system shutdown apparatus2010
Water heater monitor/diagnostic display apparatus2010
Pumpless combination instantaneous/storage water heater system2007
Control techniques for shut-off sensors in fuel-fired heating appliances2007
Power vented, fuel fired water heater with soft ignition system2002
Fuel-fired water heater with flammable vapor sensor and associated induced flow 2002
Fuel-fired liquid heating appliance with burner shut-off system2002
Diagnostic system for a fuel-fired water heater1999
Electric water heater with dry fire protection system incorporated therein1999
Power-vented, direct-vent water heater1997
Combination pressure and temperature limit control for a fuel-fired, forced draf1992
Fuel-fired water heated with combination drainage pan and combustion air flow co1992