Inventor
HAZELDEN ROGER J
GB7 patents
Patents
7 patentsUS5369583ANov 29, 1994
Optical torque sensors and steering systems for vehicles incorporating them
LUCAS IND PLC59 citations94
US5636137AJun 3, 1997
Optical torque sensor incorporating sensor failure diagnostics
LUCAS IND PLC31 citations91
US4774494ASep 27, 1988
Position encoder employing three or more colors
LUCAS IND PLC47 citations91
US4919099AApr 24, 1990
Combustion monitoring
LUCAS IND PLC47 citations90
US5531127AJul 2, 1996
Optical torque sensor
LUCAS IND PLC10 citations72
US4995480AFeb 26, 1991
Vehicle brake
LUCAS IND PLC18 citations71
US5473156ADec 5, 1995
Optical displacement sensor using dual reference reflectors
LUCAS IND PLC13 citations70