Assignee
CONRAC CORP
13 patents
Top patents by PatentIndex Score
US4238679ADec 9, 1980
Dual-chamber ionization smoke detector assembly
CONRAC CORP35 citations88
US4700218AOct 13, 1987
Automated system for adjustment of the white balance in a signal displayed on the screen of a color cathode ray tube
CONRAC CORP78 citations87
US4127840ANov 28, 1978
Solid state force transducer
CONRAC CORP137 citations86
US4087799AMay 2, 1978
Particulate products of combustion detector employing solid state elements
CONRAC CORP21 citations81
US4090030AMay 16, 1978
Antenna mount and connector
CONRAC CORP27 citations69
US4045620AAug 30, 1977
Digital tone detector
CONRAC CORP10 citations69
US4803754AFeb 14, 1989
Electromechanical door holder-closer
CONRAC CORP16 citations66
US4705992ANov 10, 1987
System for stabilizing cathode emissions with an in-line gun cathode ray tube
CONRAC CORP7 citations66
US4682000AJul 21, 1987
Welding transformer and rectifier assembly
CONRAC CORP9 citations66
US4110561AAug 29, 1978
Communication unit for code generation and voice communication
CONRAC CORP5 citations61
US4943904AJul 24, 1990
D.C. power unit assembly including unitized single-phase D.C. power units
CONRAC CORP6 citations54
USD260498SSep 1, 1981
Smoke detector housing
CONRAC CORP0 citations47
USD246899SJan 10, 1978
Combined microphone gooseneck adapter and switch therefor
CONRAC CORP2 citations45