Inventor · disambiguated record
David V. Schaefer
Also filed as: SCHAEFER DAVID · SCHAEFER DAVID V
5 granted patents·38 citations·filing 1978–2023
77Inventor score
Top patents by PatentIndex Score
5 records- 0161US4262785ATorque responsive hub clutchMECHANEX CORP·Filed 1978·Granted Apr 21, 1981·15 cites·27 claims
- 0257US12467963B2Method of evaluating an electromagnetic fieldROHDE & SCHWARZ·Filed 2023·Granted Nov 11, 2025·0 cites·18 claims
- 0347US4343386ABall movement coordinator and cam member for torque responsive hub clutchTENNECO INC·Filed 1980·Granted Aug 10, 1982·11 cites·7 claims
- 0435US4704777ACreeper installation method and apparatusCASE CO J I·Filed 1986·Granted Nov 10, 1987·7 cites·6 claims
- 0531US4862765ACreeper installation method and apparatusCASE CO J I·Filed 1987·Granted Sep 5, 1989·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →