Assignee
PARKER ELECTRONICS INC
US10 patents
Top patents by PatentIndex Score
US4931948AJun 5, 1990
Method and system for controlling a single zone HVAC supplying multiple zones
PARKER ELECTRONICS INC203 citations98
US4843084AJun 27, 1989
Thermostat control system
PARKER ELECTRONICS INC203 citations98
US4646964AMar 3, 1987
Temperature control system
PARKER ELECTRONICS INC251 citations98
US4829447AMay 9, 1989
Bypass controller and bypass system
PARKER ELECTRONICS INC122 citations96
US4530395AJul 23, 1985
Single zone HVAC controlled for operation in multiple zone arrangement
PARKER ELECTRONICS INC132 citations96
US4487363ADec 11, 1984
Bypass control system to maintain a constant air supply pressure in a HVAC duct system
PARKER ELECTRONICS INC81 citations96
US4884214ANov 28, 1989
Thermostat
PARKER ELECTRONICS INC123 citations91
US4945768AAug 7, 1990
Pressure sensor
PARKER ELECTRONICS INC11 citations74
USD304911SDec 5, 1989
Thermostat housing or the like
PARKER ELECTRONICS INC11 citations73
USD304692SNov 21, 1989
Thermostat housing or the like
PARKER ELECTRONICS INC7 citations73