Inventor · disambiguated record
John F. Perkins
Also filed as: PERKINS JOHN F · PERKINS JOHN FRANCIS · PERKINS JR JOHN F
6 granted patents·94 citations·filing 1974–1982
84Inventor score
Top patents by PatentIndex Score
6 records- 0186US4403124AVacuum circuit interrupter with insulated vacuum monitor resistorWESTINGHOUSE ELECTRIC CORP·Filed 1981·Granted Sep 6, 1983·33 cites·16 claims
- 0271US4163131ADual-compression gas-blast puffer-type interrupting deviceWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Jul 31, 1979·15 cites·14 claims
- 0362US4471309AVacuum detectorWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Sep 11, 1984·17 cites·3 claims
- 0462US3991292ADual compression puffer interrupterWESTINGHOUSE ELECTRIC CORP·Filed 1974·Granted Nov 9, 1976·11 cites·10 claims
- 0541US3976894AAnalog divider circuitryRAYTHEON CO·Filed 1975·Granted Aug 24, 1976·8 cites·3 claims
- 0638US4068983APiston pumps driven by fluid-actuated piston having a constant fluid force against the small area surfaceMADAN & CO CHARLES S·Filed 1975·Granted Jan 17, 1978·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →