Inventor

DAVIS ROY I

US9 patents

⚠️ This page may combine multiple inventors who share the name “DAVIS ROY I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FORD MOTOR CO

5 patents

US5060959AOct 29, 1991

Electrically powered active suspension for a vehicle

FORD MOTOR CO363 citations98

US4962969AOct 16, 1990

Adaptive controller for regenerative and friction braking system

FORD MOTOR CO128 citations97

US5441298AAug 15, 1995

Apparatus for stabilizing an electric active suspension system upon interruption of the power supply

FORD MOTOR CO37 citations92

US5254926AOct 19, 1993

Current-mode hysteresis control for controlling a motor

FORD MOTOR CO21 citations89

US5258904ANov 2, 1993

Dither control method of PWM inverter to improve low level motor torque control

FORD MOTOR CO11 citations70

BALLARD POWER SYSTEMS

2 patents

US7098569B2Aug 29, 2006

Rotor assembly for a permanent magnet power electric machine

BALLARD POWER SYSTEMS31 citations91

US6936991B2Aug 30, 2005

Method and apparatus for motor control

BALLARD POWER SYSTEMS41 citations89

DAVIS ROY I

1 patent

US4855914AAug 8, 1989

Computer controlled synchronous shifting of an automatic transmission

DAVIS ROY I41 citations89

CONTINENTAL AUTOMOTIVE SYSTEMS

1 patent

US7557530B2Jul 7, 2009

Method, apparatus and article for detecting rotor position

CONTINENTAL AUTOMOTIVE SYSTEMS17 citations82