Inventor · disambiguated record
John F. Parrish
Also filed as: PARRISH JOHN F · PARRISH JOHN FREDERIC
2 granted patents·2 pending applications·51 citations·filing 1979–2015
64Inventor score
Top patents by PatentIndex Score
4 records- 0178US4242741AFloating shunt seismic amplifierSHELL OIL CO·Filed 1979·Granted Dec 30, 1980·39 cites·22 claims
- 0255US4241428ALine compensated seismic amplifierSHELL OIL CO·Filed 1979·Granted Dec 23, 1980·12 cites·23 claims
- 0329US2012274262A1Voltage and speed sensitive motor control starting circuitPARRISH JOHN F·Filed 2012·Application pending·0 cites
- 0424US2015260878A1Hydrophone Response Compensation Filter Derivation, Design and ApplicationGEOKINETICS ACQUISITION COMPANY·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →