Inventor
RICHESON WILLIAM E
US30 patents
⚠️ This page may combine multiple inventors who share the name “RICHESON WILLIAM E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
19 patentsUS5123397AJun 23, 1992
Vehicle management computer
PHILIPS CORP168 citations99
US5253619AOct 19, 1993
Hydraulically powered actuator with pneumatic spring and hydraulic latching
PHILIPS CORP65 citations96
US5248123ASep 28, 1993
Pilot operated hydraulic valve actuator
PHILIPS CORP81 citations96
US5224683AJul 6, 1993
Hydraulic actuator with hydraulic springs
PHILIPS CORP62 citations96
US5152260AOct 6, 1992
Highly efficient pneumatically powered hydraulically latched actuator
PHILIPS CORP54 citations96
US5022358AJun 11, 1991
Low energy hydraulic actuator
PHILIPS CORP66 citations96
US5300883AApr 5, 1994
Position sensor with variably coupled magnetic field conducting means
PHILIPS CORP37 citations92
US5259345ANov 9, 1993
Pneumatically powered actuator with hydraulic latching
PHILIPS CORP54 citations92
US5131354AJul 21, 1992
Method of operating a two-stroke-cycle engine with variable valve timing in a four-stroke-cycle mode
PHILIPS CORP39 citations92
US5095242AMar 10, 1992
Low radio interference spark plug
PHILIPS CORP24 citations92
US5058538AOct 22, 1991
Hydraulically propelled phneumatically returned valve actuator
PHILIPS CORP32 citations92
US5221072AJun 22, 1993
Resilient hydraulic actuator
PHILIPS CORP15 citations74
US5189996AMar 2, 1993
Two-stroke-cycle engine with variable valve timing
PHILIPS CORP18 citations74
US5122922AJun 16, 1992
Variable capacitive sensor element
PHILIPS CORP13 citations74
US5109812AMay 5, 1992
Pneumatic preloaded actuator
PHILIPS CORP16 citations74
US5083533AJan 28, 1992
Two-stroke-cycle engine with variable valve timing
PHILIPS CORP14 citations74
US5022359AJun 11, 1991
Actuator with energy recovery return
PHILIPS CORP16 citations74
US5125371AJun 30, 1992
Spring driven hydraulic actuator
PHILIPS CORP15 citations67
US5203535AApr 20, 1993
Cam actuated valve assembly with hydraulic spring
PHILIPS CORP3 citations63
MAGNAVOX CO
9 patentsUS4945870AAug 7, 1990
Vehicle management computer
MAGNAVOX CO110 citations96
US4852528AAug 1, 1989
Pneumatic actuator with permanent magnet control valve latching
MAGNAVOX CO44 citations92
US4873948AOct 17, 1989
Pneumatic actuator with solenoid operated control valves
MAGNAVOX CO19 citations82
US4991548AFeb 12, 1991
Compact valve actuator
MAGNAVOX CO10 citations74
US4967702ANov 6, 1990
Fast acting valve
MAGNAVOX CO18 citations74
US4942852AJul 24, 1990
Electro-pneumatic actuator
MAGNAVOX CO14 citations74
US4915015AApr 10, 1990
Pneumatic actuator
MAGNAVOX CO17 citations74
US4875441AOct 24, 1989
Enhanced efficiency valve actuator
MAGNAVOX CO13 citations74
US4872425AOct 10, 1989
Air powered valve actuator
MAGNAVOX CO5 citations63