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 patentsUS4658660AApr 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 patentsUS6210537B1Apr 3, 2001
Method of forming electronically conducting polymers on conducting and nonconducting substrates
LYNNTECH INC48 citations96
US5545308AAug 13, 1996
Method of using conductive polymers to manufacture printed circuit boards
LYNNTECH INC60 citations96
US5855755AJan 5, 1999
Method of manufacturing passive elements using conductive polypyrrole formulations
LYNNTECH INC39 citations92
US5948232ASep 7, 1999
Method of manufacturing passive elements using conductive polypyrrole formulations
LYNNTECH INC15 citations73
TEXAS A & M UNIV SYS
4 patentsUS5318143AJun 7, 1994
Method and apparatus for lane sensing for automatic vehicle steering
TEXAS A & M UNIV SYS104 citations94
US4801380AJan 31, 1989
Method of producing a silicon film with micropores
TEXAS A & M UNIV SYS48 citations92
US5430300AJul 4, 1995
Oxidized porous silicon field emission devices
TEXAS A & M UNIV SYS48 citations88
US5428439AJun 27, 1995
Range measurement system
TEXAS A & M UNIV SYS42 citations87
WOODLAND INTERNATIONAL CORP
2 patentsNASA
1 patentShowing the top 50 of 56 patents by PatentIndex Score.