Inventor · disambiguated record
John H. Zentmyer
Also filed as: ZENTMYER JOHN · ZENTMYER JOHN H · ZENTMYER JOHN HOBART
15 granted patents·546 citations·filing 1976–2019
94Inventor score
Files withTORQ MASTERS IND INC5VEHICLE TECHNOLOGIES INC2VEHICULAR TECHNOLOGIES INC2ZENTMYER JOHN HOBART24WD EQUIPMENT SA PTY LTD1
Top patents by PatentIndex Score
15 records- 0197US6269712B1Automotive full locking differentialFiled 2000·Granted Aug 7, 2001·169 cites·21 claims
- 0295US5816971AMethod for locking a differentialVEHICULAR TECHNOLOGIES INC·Filed 1996·Granted Oct 6, 1998·59 cites·4 claims
- 0395US5413015AAutomotive vehicle differential assemblyFiled 1993·Granted May 9, 1995·83 cites·4 claims
- 0494US5637049ALocking differentialVEHICULAR TECHNOLOGIES INC·Filed 1995·Granted Jun 10, 1997·56 cites·24 claims
- 0590US5759129ALocking differential actuator assemblyVEHICLE TECHNOLOGIES INC·Filed 1996·Granted Jun 2, 1998·38 cites·8 claims
- 0677US5759126AElectromagnetic ring actuatorVEHICLE TECHNOLOGIES INC·Filed 1996·Granted Jun 2, 1998·39 cites·8 claims
- 0776US4071808AMethod and circuit for operating an electrical flash-tubeZENTMYER JOHN HOBART·Filed 1976·Granted Jan 31, 1978·28 cites·9 claims
- 0873US4109912ANight stick structureZENTMYER JOHN HOBART·Filed 1977·Granted Aug 29, 1978·24 cites·10 claims
- 0968US6681654B2Locked differential improvements4WD EQUIPMENT SA PTY LTD·Filed 2002·Granted Jan 27, 2004·14 cites·9 claims
- 1068US5603246ALocking differential with radial dampeningFiled 1995·Granted Feb 18, 1997·22 cites·12 claims
- 1161USD848497SAxle gearTORQ MASTERS IND INC·Filed 2017·Granted May 14, 2019·8 cites·1 claims
- 1249US10731742B2Axle coupler with ring recessTORQ MASTERS IND INC·Filed 2018·Granted Aug 4, 2020·0 cites·5 claims
- 1341USD835165SAutomatic locking differentialTORQ MASTERS IND INC·Filed 2016·Granted Dec 4, 2018·3 cites·1 claims
- 1437USD885450SVehicular differential replacement deviceTORQ MASTERS IND INC·Filed 2017·Granted May 26, 2020·2 cites·1 claims
- 1534USD906388SAutomatic locking differentialTORQ MASTERS IND INC·Filed 2019·Granted Dec 29, 2020·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →