Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self-diagnostic flame rectification sensing circuit and method therefor

Self-diagnostic flame rectification sensing circuit and method therefor

US Patent 5506569 · Granted Apr 9, 1996

Estimated economic value: $10,728,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for wiring room thermostat to two stage HVAC system2002
Universal two stage gas furnace ignition control apparatus and method2001
Differential oil pressure control apparatus and method2001
Apparatus and method for control of a heat pump system2001
DC brushless motor controller apparatus and method2001
Combined fan and ignition control with selected condition sensing apparatus1999
Method for controlling an induced draft fan for use with gas furnaces1998
Induced draft fan control for use with gas furnaces1998
Furnace control apparatus1996
Method and apparatus for enhancing relay life1996
Induced draft fan control for use with gas furnaces1996
Interface circuit having improved isolation among signals for use with a variabl1995