Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combination pressure and temperature limit control for a fuel-fired, forced draft heating appliance combustion product exhaust system

Combination pressure and temperature limit control for a fuel-fired, forced draft heating appliance combustion product exhaust system

US Patent 5158446 · Granted Oct 27, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fuel-fired liquid heating appliance with burner shut-off system2002
Combustion air shutoff system for a fuel-fired heating appliance2000
Diagnostic system for a fuel-fired water heater1999
Electric water heater with dry fire protection system incorporated therein1999
Power-vented, direct-vent water heater1997
Fuel-fired water heated with combination drainage pan and combustion air flow co1992