Inventor · disambiguated record
Richard D. Walker
Also filed as: WALKER RICHARD · WALKER RICHARD D
5 granted patents·136 citations·filing 1983–2005
82Inventor score
Top patents by PatentIndex Score
5 records- 0189US4424134AAqueous fabric softening compositionsPROCTER & GAMBLE·Filed 1983·Granted Jan 3, 1984·88 cites·10 claims
- 0266US6631773B1Articulated truck for carrying a load through a plurality of work cyclesCATERPILLAR SARL·Filed 2001·Granted Oct 14, 2003·23 cites·19 claims
- 0348US7080720B1Torque converterBLUMENTHAL AUTOMATICS INC·Filed 2005·Granted Jul 25, 2006·3 cites·5 claims
- 0441US5379801AExhaust directing valve mechanism for a vehicleCATERPILLAR INC·Filed 1994·Granted Jan 10, 1995·13 cites·3 claims
- 0536US5797656AApparatus for diverting a flow of exhaust from an engine of a truckCATERPILLAR INC·Filed 1996·Granted Aug 25, 1998·9 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →