Inventor
FORSYTHE ALAN K
21 patents
⚠️ This page may combine multiple inventors who share the name “FORSYTHE ALAN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GT DEV CORP
11 patentsUS6175290B1Jan 16, 2001
Contactless stalk mounted control switch
GT DEV CORP1,236 citations96
US5564520AOct 15, 1996
Pneumatic seat rollover vent valve
GT DEV CORP58 citations96
US5027868AJul 2, 1991
Vapor recovery systems
GT DEV CORP66 citations96
US6085786AJul 11, 2000
Cyclic flow valve
GT DEV CORP24 citations92
US5325882AJul 5, 1994
Pressure and thermal relief valve for fuel tank
GT DEV CORP26 citations92
US5287841AFeb 22, 1994
Flow divider and utilization system
GT DEV CORP23 citations92
US5111837AMay 12, 1992
Pressure/thermal relief valve for fuel tank
GT DEV CORP28 citations92
US5027844AJul 2, 1991
Pressure and thermal relief valve for fuel tank
GT DEV CORP26 citations92
US4524951AJun 25, 1985
Center-position biased slide valve
GT DEV CORP24 citations82
US7380309B2Jun 3, 2008
Knob attachment assembly
GT DEV CORP4 citations62
US7210669B1May 1, 2007
Deformable fastener
GT DEV CORP2 citations53
SPRAGUE DEVICES INC
4 patentsUS4303088ADec 1, 1981
Pneumatic valve and regulator assembly
SPRAGUE DEVICES INC11 citations73
US4287906ASep 8, 1981
Control valve
SPRAGUE DEVICES INC15 citations73
US4708053ANov 24, 1987
Reciprocating piston fluid powered motor
SPRAGUE DEVICES INC18 citations71
US4632013ADec 30, 1986
Reciprocating piston fluid powered motor
SPRAGUE DEVICES INC1 citations42