Inventor · disambiguated record
Marvin E. Frerking
Also filed as: FRERKING MARVIN E · FRERKING MARVIN ELMER
12 granted patents·410 citations·filing 1975–2004
93Inventor score
Top patents by PatentIndex Score
12 records- 0196US4305041ATime compensated clock oscillatorROCKWELL INTERNATIONAL CORP·Filed 1979·Granted Dec 8, 1981·75 cites·11 claims
- 0292US6545550B1Residual frequency effects compensationFiled 2001·Granted Apr 8, 2003·57 cites·20 claims
- 0391US4891611AVibration compensated crystal oscillatorROCKWELL INTERNATIONAL CORP·Filed 1989·Granted Jan 2, 1990·62 cites·19 claims
- 0488US4513259AClosed loop temperature compensated frequency referenceROCKWELL INTERNATIONAL CORP·Filed 1982·Granted Apr 23, 1985·50 cites·8 claims
- 0588US3978412ARadio receiver noise suppressionROCKWELL INTERNATIONAL CORP·Filed 1975·Granted Aug 31, 1976·29 cites·16 claims
- 0686US4906944AIntegrator controlled time compensated clock oscillatorROCKWELL INTERNATIONAL CORP·Filed 1988·Granted Mar 6, 1990·45 cites·12 claims
- 0778US4297657AClosed loop temperature compensated frequency referenceROCKWELL INTERNATIONAL CORP·Filed 1979·Granted Oct 27, 1981·24 cites·6 claims
- 0872US4126853ANon-linear digital-to analog conversionROCKWELL INTERNATIONAL CORP·Filed 1977·Granted Nov 21, 1978·16 cites·9 claims
- 0971US4449032AVariable gain oven temperature control circuitUS AIR FORCE·Filed 1983·Granted May 15, 1984·25 cites·9 claims
- 1065US6977557B1Injection mode steering oscillatorFRERKING MARVIN ELMER·Filed 2004·Granted Dec 20, 2005·15 cites·18 claims
- 1146US4396892AAccelerated warm-up crystal ovenROCKWELL INTERNATIONAL CORP·Filed 1981·Granted Aug 2, 1983·11 cites·8 claims
- 1228US5053651ADeglitched digital mixer circuitROCKWELL INTERNATIONAL CORP·Filed 1990·Granted Oct 1, 1991·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →