Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hydraulic apparatus

Hydraulic apparatus

US Patent 4557342 · Granted Dec 10, 1985

Estimated economic value: $12,250,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ball joint1991
Method and apparatus for nullifying electrical offsets in a torsion sensor1989
Auxiliary drive circuit for an electric assist steering system1989
Electroviscous fluid control device1988
Electric assist steering system with alternator power source1988
Control apparatus for a steering system1986
Steering gear1986
Control apparatus for power assist steering system1986
Method and apparatus for sensing relative movement between members1985
Pump assembly1985
Fuel supply system1984
Power steering pump1983