P

Inventor

DUFFY JAMES J

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

FORD MOTOR CO

22 patents
US5224564AJul 6, 1993

Hydrostatic power steering system

FORD MOTOR CO23 citations92
US4570735AFeb 18, 1986

Dual rotary valve for variable assist power steering gear for automotive vehicles

FORD MOTOR CO34 citations92
US4561521ADec 31, 1985

Variable assist power steering system

FORD MOTOR CO52 citations92
US4063490ADec 20, 1977

Rack and pinion power steering gear mechanism

FORD MOTOR CO32 citations92
US5392875AFeb 28, 1995

Hydraulic reaction variable assist power steering system

FORD MOTOR CO20 citations84
US4714413ADec 22, 1987

Speed sensitive power steering pump unload valve

FORD MOTOR CO21 citations82
US4485883ADec 4, 1984

Power steering system with vehicle speed-sensitive flow

FORD MOTOR CO22 citations82
US5307895AMay 3, 1994

Hydraulic reaction variable assist power steering control hydraulic "detent"

FORD MOTOR CO12 citations74
US5029513AJul 9, 1991

Variable-orifice, servo-solenoid valve for a variable-assist power steering system

FORD MOTOR CO10 citations74
US4926956AMay 22, 1990

Electronically controlled steering system

FORD MOTOR CO13 citations74
US4877099AOct 31, 1989

Electronically controlled variable assist power steering system

FORD MOTOR CO19 citations74
US4828067AMay 9, 1989

Electronic power assist control steering system

FORD MOTOR CO10 citations74
US4760892AAug 2, 1988

Variable assist power steering system using electronic pressure control

FORD MOTOR CO17 citations74
US4742883AMay 10, 1988

Pinion ball bearings with preload adjustment for power rack and pinion steering gears

FORD MOTOR CO15 citations74
US4609331ASep 2, 1986

Speed sensitive power steering valve

FORD MOTOR CO11 citations74
US4516471AMay 14, 1985

Power steering valve with chamfered lands

FORD MOTOR CO19 citations74
US4434866AMar 6, 1984

Speed-sensitive power steering system

FORD MOTOR CO18 citations74
US4378030AMar 29, 1983

Power steering gear mechanism with rotary control valve

FORD MOTOR CO9 citations74
US5297647AMar 29, 1994

Variable assist power steering gear with hydraulic reaction controls

FORD MOTOR CO5 citations63
US5165702ANov 24, 1992

Seal ring assembly for high pressure valves

FORD MOTOR CO3 citations63
US4586582AMay 6, 1986

Power steering system with vehicle speed-sensitive flow

FORD MOTOR CO5 citations63
US4135436AJan 23, 1979

Two-stage flow control valve for a power steering system

FORD MOTOR CO4 citations63

HOOKER CHEMICALS PLASTICS CORP

9 patents

(unassigned)

1 patent

OCCIDENTAL CHEM CO

1 patent