Inventor · disambiguated record
James D. Hendrickson
Also filed as: HENDRICKSON JAMES · HENDRICKSON JAMES D · HENDRICKSON JAMES L
77 granted patents·10 pending applications·2,686 citations·filing 1979–2024
99Inventor score
Files withGM GLOBAL TECH OPERATIONS INC19GEN MOTORS CORP12GM GLOBAL TECH OPERATIONS LLC9VOCOLLECT INC8SCHLUMBERGER TECHNOLOGY CORP7
Top patents by PatentIndex Score
87 records- 0197US7220203B2Electrically variable transmission with selective fixed ratio operationGEN MOTORS CORP·Filed 2005·Granted May 22, 2007·53 cites·13 claims
- 0296US8499843B2System and method to seal using a swellable materialPATEL DINESH R·Filed 2010·Granted Aug 6, 2013·34 cites·8 claims
- 0396US7665537B2System and method to seal using a swellable materialSCHLUMBEGER TECHNOLOGY CORP·Filed 2005·Granted Feb 23, 2010·159 cites·24 claims
- 0496US7252611B2Electrically variable transmission having two planetary gear sets with one interconnecting member and clutched inputGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 7, 2007·48 cites·16 claims
- 0596US7179187B2Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 20, 2007·55 cites·14 claims
- 0696US7169074B2Electrically variable transmission having two planetary gear sets with one stationary memberGEN MOTORS CORP·Filed 2005·Granted Jan 30, 2007·39 cites·15 claims
- 0795US8914290B2Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environmentHENDRICKSON JAMES·Filed 2012·Granted Dec 16, 2014·553 cites·20 claims
- 0895US7179186B2Electrically variable transmission having three interconnected planetary gear setsGEN MOTORS CORP·Filed 2005·Granted Feb 20, 2007·44 cites·15 claims
- 0994US7179185B2Electrically variable transmission having three interconnected planetary gear sets, two clutches and at least two brakesGEN MOTORS CORP·Filed 2005·Granted Feb 20, 2007·28 cites·15 claims
- 1093US7473199B2Two-planetary electrically variable transmissions with multiple fixed ratiosGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 6, 2009·27 cites·17 claims
- 1193US7278941B2Electrically variable transmission with selective fixed ratio operationGEN MOTORS CORP·Filed 2005·Granted Oct 9, 2007·31 cites·12 claims
- 1293US6315050B2PackerSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Nov 13, 2001·116 cites·4 claims
- 1392US10171014B1System and method for electric motor field weakening with variable magnet skewGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jan 1, 2019·5 cites·20 claims
- 1492US7192373B2Electrically variable transmission having two planetary gear sets with one fixed interconnectionGEN MOTORS CORP·Filed 2004·Granted Mar 20, 2007·68 cites·16 claims
- 1591US8182391B2Electric torque converter for a powertrain and method of operating a vehicleKLEMEN DONALD·Filed 2008·Granted May 22, 2012·28 cites·19 claims
- 1691US8069661B2Transmission hydraulic control system having an accumulatorHENDRICKSON JAMES D·Filed 2009·Granted Dec 6, 2011·21 cites·10 claims
- 1791US5311938ARetrievable packer for high temperature, high pressure serviceHALLIBURTON CO·Filed 1992·Granted May 17, 1994·140 cites·21 claims
- 1890US7261660B2Electrically variable transmission arrangement with transfer gear between gear sets and clutchesGEN MOTORS CORP·Filed 2005·Granted Aug 28, 2007·26 cites·19 claims
- 1989US7752934B2Multi speed transmission having a countershaft gearing arrangementGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 13, 2010·21 cites·19 claims
- 2089US7101298B2Electric variable transmission with de-coupled engine charging in reverseGEN MOTORS CORP·Filed 2004·Granted Sep 5, 2006·57 cites·23 claims
- 2189US5433269ARetrievable packer for high temperature, high pressure serviceHALLIBURTON CO·Filed 1993·Granted Jul 18, 1995·119 cites·25 claims
- 2288US7252612B2Electrically variable transmission having two planetary gear sets with one fixed interconnection and a stationary memberGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 7, 2007·23 cites·16 claims
- 2388US7220202B2Electrically variable transmission with improved gradeabilityGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted May 22, 2007·24 cites·6 claims
- 2487US7238132B2Electrically variable transmission arrangement with transfer gear between motor/generatorsGEN MOTORS CORP·Filed 2005·Granted Jul 3, 2007·14 cites·19 claims
- 2587US5636691AAbrasive slurry delivery apparatus and methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1995·Granted Jun 10, 1997·189 cites·38 claims
- 2686US10685643B2Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environmentVOCOLLECT INC·Filed 2017·Granted Jun 16, 2020·5 cites·19 claims
- 2786US6564876B2PackerSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted May 20, 2003·64 cites·29 claims
- 2886US4270608AMethod and apparatus for gravel packing multiple zonesHALLIBURTON CO·Filed 1979·Granted Jun 2, 1981·63 cites·44 claims
- 2985US9697818B2Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environmentVOCOLLECT INC·Filed 2014·Granted Jul 4, 2017·9 cites·19 claims
- 3085US7220201B2Electrically variable transmission having two planetary gear sets with two fixed interconnections and clutch inputGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted May 22, 2007·20 cites·14 claims
- 3184US11460513B2Assessment of cell group health in a battery packGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Oct 4, 2022·3 cites·19 claims
- 3284US8011261B2Multi-speed transmission with countershaft gearing arrangementGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Sep 6, 2011·13 cites·25 claims
- 3384US7261657B2Electrically variable transmission having three interconnected planetary gear sets and fixed inputGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 28, 2007·12 cites·19 claims
- 3483US10876620B2Vacuum driven hydraulic balance systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Dec 29, 2020·3 cites·16 claims
- 3583US7261658B2Electrically variable transmission having two planetary gear sets with one stationary member and clutched inputGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 28, 2007·11 cites·18 claims
- 3683US7232393B2Electrically variable transmission having two planetary gear sets with two fixed interconnectionsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jun 19, 2007·17 cites·16 claims
- 3782US8117932B2Multi-speed transmission with countershaft gearingBJORCK PER-GUNNAR·Filed 2007·Granted Feb 21, 2012·17 cites·22 claims
- 3882US7708080B2PackerSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 4, 2010·30 cites·18 claims
- 3981US7387586B2Three planetary electrically variable transmissions with mechanical reverseGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 17, 2008·15 cites·17 claims
- 4081US6186227B1PackerSCHLUMBERGER TECHNOLOGY CORP·Filed 1999·Granted Feb 13, 2001·70 cites·24 claims
- 4181US5931232AMechanical connection between base pipe and screen and method for use of the sameHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Aug 3, 1999·45 cites·17 claims
- 4280US11042834B2Voice-enabled substitutions with customer notificationVOCOLLECT INC·Filed 2018·Granted Jun 22, 2021·5 cites·20 claims
- 4380US7220200B2Electrically variable transmission arrangement with spaced-apart simple planetary gear setsGEN MOTORS CORP·Filed 2005·Granted May 22, 2007·14 cites·12 claims
- 4479US7172525B2Electrically variable transmission having a mechanical reverse modeDAIMLER CHRYSLER CORP·Filed 2005·Granted Feb 6, 2007·14 cites·15 claims
- 4579US6645121B2Vehicle transmission system for controlling clutch temperatureGEN MOTORS CORP·Filed 2001·Granted Nov 11, 2003·19 cites·17 claims
- 4678US7610825B2Multi-speed transmission with countershaft gearingGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 3, 2009·8 cites·34 claims
- 4778US7238131B2Electrically variable transmission having three planetary gear sets and three fixed interconnectionsGEN MOTORS CORP·Filed 2005·Granted Jul 3, 2007·13 cites·16 claims
- 4878US5857520ABackup shoe for well packerHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Jan 12, 1999·81 cites·9 claims
- 4977US11817078B2Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environmentVOCOLLECT INC·Filed 2023·Granted Nov 14, 2023·0 cites·30 claims
- 5077US2024062741A1Systems and Methods for Dynamically Improving User Intelligibility of Synthesized Speech in a Work EnvironmentVOCOLLECT INC·Filed 2023·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →