Assignee
PERTRON CONTROLS CORP
8 granted patents·218 citations·filing 1976–1989
Top patents by PatentIndex Score
8 records- 0192US4039928AElectrical operating circuit having semiconductor device junction temperature monitoringPERTRON CONTROLS CORP·Filed 1976·Granted Aug 2, 1977·65 cites·48 claims
- 0280US4301351AModular microprocessor-controlled controller for resistance for resistance welding machinesPERTRON CONTROLS CORP·Filed 1979·Granted Nov 17, 1981·29 cites·3 claims
- 0372US4722071ACompiler for evaluating Boolean expressionsPERTRON CONTROLS CORP·Filed 1985·Granted Jan 26, 1988·29 cites·25 claims
- 0472US4251764AInterface circuit for interconnecting an electronic controller to a resistance welding machinePERTRON CONTROLS CORP·Filed 1979·Granted Feb 17, 1981·21 cites·10 claims
- 0566US4516008ASystem for calculating the root mean square (RMS) current in a resistance welding systemPERTRON CONTROLS CORP·Filed 1983·Granted May 7, 1985·21 cites·5 claims
- 0665US4945201ARack mountable weld controllerPERTRON CONTROLS CORP·Filed 1989·Granted Jul 31, 1990·25 cites·9 claims
- 0758US4456809AMicroprocessor-controlled controller for resistance welding machinesPERTRON CONTROLS CORP·Filed 1982·Granted Jun 26, 1984·19 cites·3 claims
- 0848US4388515AResistance welding control systemPERTRON CONTROLS CORP·Filed 1981·Granted Jun 14, 1983·9 cites·7 claims
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