Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Air conditioner auxiliary filter/drier refrigerant and chemical additive transfer device

Air conditioner auxiliary filter/drier refrigerant and chemical additive transfer device

US Patent 4745772 · Granted May 24, 1988

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and dispenser for pressurized containers used with automobile air conditi2004
Apparatus and methods for placing an additive fluid into a refrigerant circuit2004
Refrigerant charging/pressure testing hose assembly2003
Apparatus and methods for placing an additive fluid into a refrigerant circuit2002
Apparatus methods and compositions for placing additive fluids into a refrigeran2002
Refrigerant charging hose assembly2002
Refrigerant fluid injection apparatus1999
Pressurized fluid-drivable device for injecting a treatment liquid stored therei1991
Air conditioner test gauge with pressure zone markings1989
Removable, in-place refrigerant pressure check gauge1988
Air conditioner test gauge with pressure zone markings1988
Air conditioner refrigerant check gauge insert convertible to a tire check gauge1987