Inventor
LEWIS JAY L
US13 patents
Patents
13 patentsUS4915083AApr 10, 1990
Exhaust gas recirculation valve construction and method of making the same
ROBERTSHAW CONTROLS CO28 citations90
US4782811ANov 8, 1988
Exhaust gas recirculation valve construction and method of making the same
ROBERTSHAW CONTROLS CO38 citations90
US4303072ADec 1, 1981
Intermittent patient suction system and control means therefor
ROBERTSHAW CONTROLS CO17 citations72
US4213457AJul 22, 1980
Intermittent patient suction system and control means therefor
ROBERTSHAW CONTROLS CO13 citations72
US3999706ADec 28, 1976
Humidity and temperature responsive device and method of making the same
ROBERTSHAW CONTROLS CO11 citations72
US4825840AMay 2, 1989
Exhaust gas recirculation valve construction and method of making the same
ROBERTSHAW CONTROLS CO14 citations71
US5125901AJun 30, 1992
Intermittent patient suction system, self-contained control
ROBERTSHAW CONTROLS CO6 citations61
US5015236AMay 14, 1991
Intermittent patient suction system, self-contained control device therefor and methods of making the same
ROBERTSHAW CONTROLS CO6 citations61
US4657407AApr 14, 1987
Clock construction and method of making the same
ROBERTSHAW CONTROLS CO4 citations61
US3930612AJan 6, 1976
Humidity control system and humidity responsive control device therefor
ROBERTSHAW CONTROLS CO5 citations61
US4186875AFeb 5, 1980
Two-temperature pneumatic thermostat control system and unit therefor
ROBERTSHAW CONTROLS CO1 citations51
US4074855AFeb 21, 1978
Adjustable bimetal construction and method of making the same
ROBERTSHAW CONTROLS CO1 citations51
US4296795AOct 27, 1981
Pneumatically operated control system and unit therefor and methods of making the same
ROBERTSHAW CONTROLS CO0 citations40