Inventor · disambiguated record
John Doyle
Also filed as: DOYLE JOHN · DOYLE JOHN E · DOYLE JOHN ERIC
4 granted patents·49 citations·filing 1976–2015
74Inventor score
Top patents by PatentIndex Score
4 records- 0172US10221633B2Sucker rod shear couplersINNOVATIVE TOOL TECH INC·Filed 2015·Granted Mar 5, 2019·5 cites·20 claims
- 0269US11171580B2Brake system and controller for use with a wellhead direct driveGENERAL MAGNETIC INT INC·Filed 2015·Granted Nov 9, 2021·2 cites·22 claims
- 0351US4644785AHinged strain cell mounting apparatusFMC CORP·Filed 1985·Granted Feb 24, 1987·34 cites·11 claims
- 0445US4098221ADrum rotation indicatorFMC CORP·Filed 1976·Granted Jul 4, 1978·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →