Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combination reversing valve and expansion device for a reversible refrigeration circuit

Combination reversing valve and expansion device for a reversible refrigeration circuit

US Patent 4311020 · Granted Jan 19, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Adapter assembly for light source1999
Case for video probe1994
Case for flexible borescope and endoscope insertion tubes1994
Front panel for a room air conditioner1991
Actuation mechanism for vent and exhaust doors1991
Adjustable steering control for flexible probe1991
Light chopper assembly1990
Auxiliary light apparatus for borescope1989
Air vent for camera adaptor1989
Method of assembling a heating exchanger1984
Heat exchange unit1984
Apparatus for securing a wire to a grille1983