Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for repairing a refrigeration sealed system

Method for repairing a refrigeration sealed system

US Patent 4933530 · Granted Jun 12, 1990

Estimated economic value: $6,107,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electrical connector for substrate having conductive tracks2015
Efficient heat exchanger and engine using same2007
Rotating blast liner2006
Capsule filling device and method of operation2005
Seal ring for well completion tools2005
Method and apparatus for creating a composite image by the tiling of multiple im2000
Interseeding apparatus and method1997
Method and apparatus for recovering refrigerants from home refrigeration systems1995
Method and apparatus for recovering refrigerants from home refrigeration systems1994
Method and apparatus for recovering refrigerants from home refrigeration systems1991
Injection lubricator with plural outlets1990
Hydraulically activated firing head for well perforating guns1989