Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lubricants for refrigeration compressors

Lubricants for refrigeration compressors

US Patent 4851144 · Granted Jul 25, 1989

Estimated economic value: $2,959,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High molecular weight polyols, process for preparation and use thereof2002
High molecular weight polyols, process for preparation and use thereof2002
High molecular weight polyols, process for preparation and use thereof2002
High molecular weight polyols, process for preparation and use thereof2002
High molecular weight polyols, process for preparation and use thereof2002
High molecular weight polyols, process for preparation and use thereof2001
Lubricants for reciprocating air compressors1991
Lubricants for reciprocating air compressors1991
Polyglycol lubricants for refrigeration compressors1991
Esterified polyglycol lubricants for refrigeration compressors1990
Esterified polyglycol lubricants for refrigeration compressors1990
Lubricants for reciprocating air compressors1988