Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Door ajar alarm for refrigeration unit

Door ajar alarm for refrigeration unit

US Patent 5063372 · Granted Nov 5, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

DC motor drive control with improved current sensing2000
Compressor drive system1992
Compressor drive system1990
Temperature sensing circuit1989
Air conditioner clutch control device1988
Temperature controller for an air conditioning apparatus1986
Link regulator with feed forward switching control1984
Multiphase inverter drive circuit with synchronized switching delay feature1984
Missing pulse detector for a synchronous motor drive1984