Inventor · disambiguated record
Ralph F. Spinnler
Also filed as: SPINNLER RALPH F
4 granted patents·314 citations·filing 1974–1990
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0193US3958217APilot operated mud-pulse valveTELECO INC·Filed 1974·Granted May 18, 1976·209 cites·5 claims
- 0271US4857175ACentrifugal debris catcherTELECO OILFIELD SERVICES INC·Filed 1987·Granted Aug 15, 1989·45 cites·29 claims
- 0361US4319240AElectrical connector for borehole telemetry apparatusTELECO OILFIELD SERVICES INC·Filed 1979·Granted Mar 9, 1982·24 cites·15 claims
- 0458US5128902AElectromechanical transducer for acoustic telemetry systemTELECO OILFIELD SERVICES INC·Filed 1990·Granted Jul 7, 1992·36 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →