Inventor · disambiguated record
David W. Walters
Also filed as: WALTERS DAVID W · WALTERS DAVID WILLIAM
20 granted patents·3 pending applications·756 citations·filing 1979–2023
96Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC7GEN MOTORS CORP5GM GLOBAL TECH OPERATIONS INC5EASTMAN KODAK CO3XEROX CORP1
Top patents by PatentIndex Score
23 records- 0198US9452672B2Vehicle powertrainGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 27, 2016·28 cites·30 claims
- 0296US8111037B2Method for battery state-of-health monitoring using battery voltage during vehicle startingZHANG XIAODONG·Filed 2008·Granted Feb 7, 2012·26 cites·15 claims
- 0394US7290525B1Methods and apparatus for an engine speed controller using generator torque loadGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 6, 2007·30 cites·17 claims
- 0494US6936995B2Battery voltage reductionGEN MOTORS CORP·Filed 2003·Granted Aug 30, 2005·259 cites·22 claims
- 0594US4233387AElectrophotographic carrier powder coated by resin dry-mixing processXEROX CORP·Filed 1979·Granted Nov 11, 1980·123 cites·14 claims
- 0692US6404163B1Method and system for regulating a charge voltage delivered to a batteryGEN MOTORS CORP·Filed 2001·Granted Jun 11, 2002·124 cites·33 claims
- 0789US7743649B1Cranking capability estimation for a vehicular starting systemGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 29, 2010·22 cites·18 claims
- 0884US7741805B2Method and apparatus for managing power flow of an electric power storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 22, 2010·15 cites·11 claims
- 0983US4860222AMethod and apparatus for measuring engine mass air flowGEN MOTORS CORP·Filed 1988·Granted Aug 22, 1989·29 cites·7 claims
- 1076US7545109B2Method and apparatus for monitoring an electrical energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 9, 2009·14 cites·20 claims
- 1170US6809501B2Method of improving fuel economyGEN MOTORS CORP·Filed 2003·Granted Oct 26, 2004·23 cites·37 claims
- 1269US12046946B2Apparatus and method for vehicle low voltage power net operation with disconnected batteryGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 1369US7009365B1Systems and methods for control of vehicle electrical generatorGEN MOTORS CORP·Filed 2004·Granted Mar 7, 2006·18 cites·13 claims
- 1468US10189469B2Method of controlling a powertrain of a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jan 29, 2019·2 cites·29 claims
- 1566US2025108726A1Method for controlling a distributed direct current to direct current converter systemGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 1665US7418943B2Spark advance foe engine idle speed controlGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 2, 2008·6 cites·10 claims
- 1763US9587614B2Auto stop engine control for vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Mar 7, 2017·1 cites·20 claims
- 1860US10900458B2Apparatus and method for control of powertrain stop positionGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 1960US5426588AMethod for engraving a gravure cylinderEASTMAN KODAK CO·Filed 1994·Granted Jun 20, 1995·20 cites·8 claims
- 2054US5837319ASpin process for highly conformal coatingsEASTMAN KODAK CO·Filed 1996·Granted Nov 17, 1998·13 cites·4 claims
- 2140US2012200298A1Automotive Battery SOC Estimation Based on Voltage DecayZHANG YILU·Filed 2011·Application pending·0 cites
- 2237US2017300313A1Method and system for downloading and installing a remote software update on a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 2329US5966369AReducing corrugations in optical recording discsEASTMAN KODAK CO·Filed 1997·Granted Oct 12, 1999·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →