Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Control system with timer redundancy

Control system with timer redundancy

US Patent 4832594 · Granted May 23, 1989

Estimated economic value: $9,623,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Integrated furnace control having ignition switch diagnostics1990
Integrated furnace control and control self test1989
Fail safe gas valve drive circuit1989
Integrated furnace control having ignition and pressure switch diagnostics1989
Gas valve relay redundant safety1989
Sealed enclosure for electrical circuitry in moist environment1988