Inventor · disambiguated record
D. Ryan Williams
Also filed as: WILLIAMS D RYAN
6 granted patents·3 pending applications·13 citations·filing 2012–2012
75Inventor score
Files withCATERPILLAR INC9
Top patents by PatentIndex Score
9 records- 0182US8978603B2Six-stroke internal combustion engine valve activation system and method for operating such engineCATERPILLAR INC·Filed 2012·Granted Mar 17, 2015·6 cites·23 claims
- 0272US8978602B2Six-stroke engine power density matching system and methodCATERPILLAR INC·Filed 2012·Granted Mar 17, 2015·3 cites·20 claims
- 0369US8978601B2Six-stroke engine system with blowdown exhaust systemCATERPILLAR INC·Filed 2012·Granted Mar 17, 2015·2 cites·20 claims
- 0461US9133764B2Six-stroke engine system with blowdown exhaust recirculationCATERPILLAR INC·Filed 2012·Granted Sep 15, 2015·1 cites·17 claims
- 0561US9057324B2Six-stroke engine system with blowdown turbochargerCATERPILLAR INC·Filed 2012·Granted Jun 16, 2015·1 cites·20 claims
- 0645US9181830B2After-treatment system and method for six-stroke combustion cycleCATERPILLAR INC·Filed 2012·Granted Nov 10, 2015·0 cites·20 claims
- 0743US2014157758A1After-Treatment System and Method for Six-Stroke Combustion CycleCATERPILLAR INC·Filed 2012·Application pending·0 cites
- 0840US2014158085A1Six-Stroke Combustion Cycle Engine and ProcessCATERPILLAR INC·Filed 2012·Application pending·0 cites
- 0939US2014158100A1Six-Stroke Engine Exhaust Gas Recirculation System and MethodCATERPILLAR INC·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →