Marvin E. Frerking
12Patents
9h-index
2Co-inventors
62Inventor score
Filing activity: May 2, 1975 → Mar 25, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4305041A | Time compensated clock oscillator | Physics | 42 | Expired |
| US4891611A | Vibration compensated crystal oscillator | Electricity | 34 | Expired |
| US4906944A | Integrator controlled time compensated clock oscillator | Electricity | 33 | Expired |
| US4513259A | Closed loop temperature compensated frequency reference | Electricity | 31 | Expired |
| US6545550B1 | Residual frequency effects compensation | Electricity | 21 | Expired |
| US3978412A | Radio receiver noise suppression | Electricity | 20 | Expired |
| US4449032A | Variable gain oven temperature control circuit | Physics | 16 | Expired |
| US4297657A | Closed loop temperature compensated frequency reference | Electricity | 15 | Expired |
| US4126853A | Non-linear digital-to analog conversion | Electricity | 10 | Expired |
| US4396892A | Accelerated warm-up crystal oven | Electricity | 8 | Expired |
| US6977557B1 | Injection mode steering oscillator | Electricity | 6 | Expired |
| US5053651A | Deglitched digital mixer circuit | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.