Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Roller vane pump with angular ranges of approximate concentric circular paths for the rollers

Roller vane pump with angular ranges of approximate concentric circular paths for the rollers

US Patent 4538977 · Granted Sep 3, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of making a planar collector1995
Unit for delivering fuel from the fuel tank to the internal combustion engine of1994
Aggregate for supplying fuel from a supply tank to internal combustion engine of1992
Fuel supply assembly for a motor vehicle1992
Fuel pump1990
Pivoting armature of an electric control motor1988
Corrosion protection sheet1986
Aggregate for supplying fuel, particularly from a supply container to an interna1986
Aggregate for supplying fuel, particularly from a supply container to an interna1986
Aggregate for feeding of fuel to internal combustion engine particularly of powe1986
Arrangement for feeding of fuel1985
Electric control motor1985