P

Inventor

PARKER DONALD L

US56 patents
⚠️ This page may combine multiple inventors who share the name “PARKER DONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN MOTORS CORP

39 patents
US4658660AApr 21, 1987

Booster mounting arrangement

GEN MOTORS CORP32 citations93
US5163744ANov 17, 1992

Combined traction control and anti-lock braking system

GEN MOTORS CORP26 citations92
US4673000AJun 16, 1987

Check valve assembly

GEN MOTORS CORP29 citations92
US4553650ANov 19, 1985

Dual function brake pedal providing separate controls for hydraulic and mechanical brakes

GEN MOTORS CORP29 citations92
US4208881AJun 24, 1980

Quick take-up master cylinder

GEN MOTORS CORP42 citations92
US4938543AJul 3, 1990

Anti-lock braking/traction control braking system

GEN MOTORS CORP40 citations91
US4462487AJul 31, 1984

Combined vehicle service and parking brake control mechanism

GEN MOTORS CORP36 citations89
US4433757AFeb 28, 1984

Disc brake lining retainer and wear warning arrangement

GEN MOTORS CORP26 citations82
US4428462AJan 31, 1984

Low displacement disc brake caliper assemblies

GEN MOTORS CORP24 citations82
US4628959ADec 16, 1986

Vacuum check valve

GEN MOTORS CORP24 citations81
US4069742AJan 24, 1978

Power brake booster system

GEN MOTORS CORP28 citations76
US5234263AAug 10, 1993

Electric master cylinder traction control

GEN MOTORS CORP18 citations74
US4779516AOct 25, 1988

Cam and lock vacuum booster mount with locking arm

GEN MOTORS CORP13 citations74
US4672860AJun 16, 1987

Push rod to pedal arm connection

GEN MOTORS CORP17 citations74
US4655628AApr 7, 1987

Pivotal attachment means employing a spring clip

GEN MOTORS CORP18 citations74
US4643221AFeb 17, 1987

Vacuum check valve

GEN MOTORS CORP17 citations74
US4199940AApr 29, 1980

Dual power brake booster and method of generating brake actuating pressure

GEN MOTORS CORP8 citations74
US4199948AApr 29, 1980

Dual power brake booster

GEN MOTORS CORP10 citations74
US4198823AApr 22, 1980

Method of generating brake actuating pressure

GEN MOTORS CORP16 citations74
US3935709AFeb 3, 1976

Dual power brake booster

GEN MOTORS CORP19 citations74
US5207488AMay 4, 1993

Traction control modulator

GEN MOTORS CORP11 citations73
US5147116ASep 15, 1992

Integral ABS and traction control having an electric modulator

GEN MOTORS CORP14 citations73
US4531276AJul 30, 1985

Method of making a drum brake shoe and lining assembly

GEN MOTORS CORP8 citations73
US4453621AJun 12, 1984

Drum brake shoe and lining assembly and method of making same

GEN MOTORS CORP13 citations73
US4428620AJan 31, 1984

Vehicle brake control system

GEN MOTORS CORP15 citations73
US4428471AJan 31, 1984

Clutch operator with a hydraulic actuator

GEN MOTORS CORP14 citations73
US4110985ASep 5, 1978

Dual power brake booster

GEN MOTORS CORP14 citations73
US4768843ASep 6, 1988

Vehicle brake control system

GEN MOTORS CORP18 citations71
US4433872AFeb 28, 1984

Pressure modified brake actuating pressure proportioner

GEN MOTORS CORP12 citations69
US5234261AAug 10, 1993

Multiplexing antilock brake apply channels

GEN MOTORS CORP14 citations68
US5150575ASep 29, 1992

Hydraulic brake booster

GEN MOTORS CORP7 citations63
US5018798AMay 28, 1991

Isolation valve

GEN MOTORS CORP2 citations63
US4859001AAug 22, 1989

Isolation valve bypass for master cylinder brake fluid in wheel lock control system

GEN MOTORS CORP2 citations63
US4199947AApr 29, 1980

Dual power brake booster system

GEN MOTORS CORP6 citations63
US4195484AApr 1, 1980

Dual power brake booster

GEN MOTORS CORP3 citations63
US4003294AJan 18, 1977

Hydraulic power mechanism with control device actuator

GEN MOTORS CORP4 citations63
US4932728AJun 12, 1990

Vehicle brake control system

GEN MOTORS CORP5 citations61
US4763689AAug 16, 1988

Vacuum check valve

GEN MOTORS CORP5 citations61
US4750516AJun 14, 1988

Vacuum check valve

GEN MOTORS CORP6 citations61

LYNNTECH INC

4 patents

TEXAS A & M UNIV SYS

4 patents

WOODLAND INTERNATIONAL CORP

2 patents

NASA

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.