Inventor · disambiguated record
C. John Umbarger
Also filed as: UMBARGER C JOHN
5 granted patents·96 citations·filing 1975–1985
82Inventor score
Top patents by PatentIndex Score
5 records- 0179US4608655AWristwatch dosimeterUNIV CALIFORNIA·Filed 1985·Granted Aug 26, 1986·26 cites·11 claims
- 0273US4197461AMiniaturized radiation chirperUS ENERGY·Filed 1978·Granted Apr 8, 1980·17 cites·5 claims
- 0367US4550381ASpectrometer gunUS ENERGY·Filed 1981·Granted Oct 29, 1985·22 cites·5 claims
- 0464US3988615AMethod for radioactivity monitoringUS ENERGY·Filed 1975·Granted Oct 26, 1976·17 cites·3 claims
- 0559US4596933ABatteryless magneto-driven portable radiacUS ENERGY·Filed 1984·Granted Jun 24, 1986·14 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →