Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Two-stage gear pump with improved spur gear mounting

Two-stage gear pump with improved spur gear mounting

US Patent 4958997 · Granted Sep 25, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electric power storage and delivery system and method of operation2011
Sound attenuating motor end shield for a hydraulic pump2000
Sound attenuating motor end shield2000
Fuel supply unit for an oil burner1997
Relief valve for the fuel pump of an oil burner1994
Spring-biased valve assembly for a gear pump1994
Gear pump with improved gear/shaft retention1994
Fuel supply unit for an oil burner1992
Gear pump with ring-type shaft retainer1990
Diaphragm-actuated valve for a gear pump1989
Pump with valve adjusting screw1989
Gear pump with improved pinion mounting1988