Inventor · disambiguated record
William J. Spivey, Jr.
Also filed as: SPIVEY JR WILLIAM J · SPIVEY WILLIAM J · SPIVEY WILLIAM J JR
10 granted patents·118 citations·filing 1975–1996
89Inventor score
Top patents by PatentIndex Score
10 records- 0172US3996743AUnderspeed actuator with part throttle controlCATERPILLAR TRACTOR CO·Filed 1975·Granted Dec 14, 1976·21 cites·8 claims
- 0266US4887872ATrack adjuster flow control mechanismCATERPILLAR INC·Filed 1989·Granted Dec 19, 1989·24 cites·20 claims
- 0364US4955442ASteering mechanism for a vehicleCATERPILLAR INC·Filed 1989·Granted Sep 11, 1990·20 cites·15 claims
- 0462US4182125AControl circuit for variable displacement pump with venturi bypass controlCATERPILLAR TRACTOR CO·Filed 1978·Granted Jan 8, 1980·15 cites·7 claims
- 0555US4365473AHydrostatic transmission having an overspeed controlCATERPILLAR TRACTOR CO·Filed 1980·Granted Dec 28, 1982·13 cites·15 claims
- 0640US4356738AControl arrangement with snubber meansCATERPILLAR TRACTOR CO·Filed 1980·Granted Nov 2, 1982·7 cites·3 claims
- 0740US4341073AControl circuit for variable displacement pumps with override valveCATERPILLAR TRACTOR CO·Filed 1979·Granted Jul 27, 1982·6 cites·16 claims
- 0836US5979504ARotary control valveCATERPILLAR INC·Filed 1996·Granted Nov 9, 1999·8 cites·17 claims
- 0931US4343150ASequential preconditioning circuit for hydrostatic transmissionCATERPILLAR TRACTOR CO·Filed 1979·Granted Aug 10, 1982·3 cites·29 claims
- 1029US4248134AReset means for fluid control circuitCATERPILLAR TRACTOR CO·Filed 1978·Granted Feb 3, 1981·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →