Inventor · disambiguated record
Walter M. Shaffer
Also filed as: SHAFFER WALTER M · SHAFFER WALTER MOORE
11 granted patents·167 citations·filing 1974–1978
91Inventor score
Top patents by PatentIndex Score
11 records- 0190US4057019ASelf-contained steering guidance meansCATERPILLAR TRACTOR CO·Filed 1976·Granted Nov 8, 1977·44 cites·10 claims
- 0281US4024968AHeavy lift side loader truckTOWMOTOR CORP·Filed 1975·Granted May 24, 1977·34 cites·34 claims
- 0363US4132132APower train with an auxiliary creeper drive systemCATERPILLAR TRACTOR CO·Filed 1976·Granted Jan 2, 1979·16 cites·7 claims
- 0461US4271723APower train with an auxiliary creeper drive systemCATERPILLAR TRACTOR CO·Filed 1978·Granted Jun 9, 1981·14 cites·14 claims
- 0559US4100739APressure sensitive charging means for a steering systemCATERPILLAR TRACTOR CO·Filed 1977·Granted Jul 18, 1978·15 cites·22 claims
- 0656US3976158APower steering system for electric-drive lift truckCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 24, 1976·13 cites·7 claims
- 0745US4056989AVehicle driveCATERPILLAR TRACTOR CO·Filed 1976·Granted Nov 8, 1977·8 cites·4 claims
- 0843US4189276ASide loading ultra-narrow aisle lift truckCATERPILLAR TRACTOR CO·Filed 1977·Granted Feb 19, 1980·8 cites·3 claims
- 0941US4034881AOutrigger and frame support memberCATERPILLAR TRACTOR CO·Filed 1976·Granted Jul 12, 1977·7 cites·6 claims
- 1041US3977550ASide handling attachmentTOWMOTOR CORP·Filed 1974·Granted Aug 31, 1976·6 cites·12 claims
- 1130US4099378ABlocking valve for power steering for lift trucksCATERPILLAR TRACTOR CO·Filed 1977·Granted Jul 11, 1978·2 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →