Assignee
AUTOMATION SYST
14 patents
Top patents by PatentIndex Score
US4275455AJun 23, 1981
Output interface card suitable for use with a programmable logic controller
AUTOMATION SYST31 citations91
US4255748AMar 10, 1981
Bus fault detector
AUTOMATION SYST49 citations91
US4360784ANov 23, 1982
Transformer coupled isolation amplifier
AUTOMATION SYST26 citations81
US4099051AJul 4, 1978
Inspection apparatus employing a circular scan
AUTOMATION SYST21 citations77
US3983388ASep 28, 1976
Apparatus for hardware item inspection
AUTOMATION SYST26 citations77
US4499549AFeb 12, 1985
Digital computer having analog signal circuitry
AUTOMATION SYST10 citations72
US4418309ANov 29, 1983
Two phase induction motor circuit with series connected center-tapped stator windings
AUTOMATION SYST8 citations72
US4264202AApr 28, 1981
Pin receptacle inspection apparatus and method
AUTOMATION SYST28 citations72
US4178634ADec 11, 1979
Programmable logic controller
AUTOMATION SYST12 citations72
US4063121ADec 13, 1977
Input converter
AUTOMATION SYST12 citations72
US4580097AApr 1, 1986
Electronic proximity sensor which is responsive to induced resistance
AUTOMATION SYST4 citations61
US4278926AJul 14, 1981
Step motor circuit
AUTOMATION SYST6 citations61
USD249943SOct 17, 1978
Demand controller component
AUTOMATION SYST4 citations61
US4055793AOct 25, 1977
Electrical load controller
AUTOMATION SYST4 citations61