Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Control apparatus for a two-speed heat pump

Control apparatus for a two-speed heat pump

US Patent 4228846 · Granted Oct 21, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Combination refrigerant circuit and hot water preheater1985
Method of assembling a heating exchanger1984
Heat exchange unit1984
Apparatus for securing a wire to a grille1983
Heat exchanger and fan and method of assembly1983
Humidity control for a refrigeration system1980