Pertron Controls Corporation
8Patents
0Active
8Granted
29Portfolio score
Filing activity: Jul 19, 1976 → May 19, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4039928A | Electrical operating circuit having semiconductor device junction temperature monitoring | Electricity | 34 | Expired |
| US4301351A | Modular microprocessor-controlled controller for resistance for resistance welding machines | Performing Operations; Transporting | 22 | Expired |
| US4722071A | Compiler for evaluating Boolean expressions | Physics | 20 | Expired |
| US4945201A | Rack mountable weld controller | Performing Operations; Transporting | 14 | Expired |
| US4456809A | Microprocessor-controlled controller for resistance welding machines | Physics | 12 | Expired |
| US4516008A | System for calculating the root mean square (RMS) current in a resistance welding system | Physics | 10 | Expired |
| US4388515A | Resistance welding control system | Performing Operations; Transporting | 6 | Expired |
| US4251764A | Interface circuit for interconnecting an electronic controller to a resistance welding machine | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.