Inventor
NEWELL DENNIS E
8 patents
Patents
8 patentsUS4253130AFeb 24, 1981
Method and apparatus for heat pump system protection
ROBERTSHAW CONTROLS CO21 citations80
US4028593AJun 7, 1977
Motor control circuit
ROBERTSHAW CONTROLS CO21 citations80
US4042966AAug 16, 1977
Motor control circuit
ROBERTSHAW CONTROLS CO18 citations73
US4027202AMay 31, 1977
Voltage protection circuit
ROBERTSHAW CONTROLS CO17 citations73
US3974430AAug 10, 1976
Motor protection circuit
ROBERTSHAW CONTROLS CO12 citations73
US3965396AJun 22, 1976
Condition responsive control circuit
ROBERTSHAW CONTROLS CO8 citations73
US4311497AJan 19, 1982
Method and apparatus for heat pump system protection
ROBERTSHAW CONTROLS CO16 citations72
US4027221AMay 31, 1977
Control circuit with time delay
ROBERTSHAW CONTROLS CO3 citations61