Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pump-drive device of power-assisted steering system

Pump-drive device of power-assisted steering system

US Patent 4518055 · Granted May 21, 1985

Estimated economic value: $3,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wheel braking system2000
Wheel drive torque controller1999
Vehicle collision prevention device1999
Magnetic head-mounted to a tip portion of a carriage via adhesive in an adhesive1998
Vehicle braking force controller1998
Pressure transmitter for brake control system1994
Suspension system for automotive vehicle or the like1994
Automotive suspension system with variable damping characteristics1994
Brake control system for automotive vehicles1993
Positive-displacement type pump system1992
Differential limiting force control system responsive to vehicle speed and steer1991
Automotive suspension control system with road-condition-dependent damping chara1991