Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Loss of refrigerant and/or high discharge temperature protection for heat pumps

Loss of refrigerant and/or high discharge temperature protection for heat pumps

US Patent 4220010 · Granted Sep 2, 1980

Estimated economic value: $2,764,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rotary coupler with shaft misalignment and overtravel tolerance1994
Furnace fan control1987
Furnace control apparatus having a circulator failure detection circuit for a do1985
Hydronic antitrust operating system1984
Heat pump system defrost control1983
Heat pump system defrost control system with override1983
Burner ignition and flame monitoring system1983
Heat pump system adaptive defrost control system1983
High voltage ignition transformer1982
Defrost control system for refrigeration system1982
Defrost control system for refrigeration system1982
Defrost control system for refrigeration system1982