Inventor · disambiguated record
Norman K. Bucknor
Also filed as: BUCKNOR NORMAN K · BUCKNOR NORMAN KENNETH
210 granted patents·12 pending applications·3,595 citations·filing 1997–2023
99Inventor score
Files withGEN MOTORS CORP95GM GLOBAL TECH OPERATIONS INC57GM GLOBAL TECH OPERATIONS LLC52BUCKNOR NORMAN K4HOLMES ALAN G3
Top patents by PatentIndex Score
222 records- 0199US6623397B1Family of multi-speed transmission mechanisms with three non-continuously interconnected planetary gear setsGEN MOTORS CORP·Filed 2002·Granted Sep 23, 2003·323 cites·14 claims
- 0298US11712977B2Battery-electric-vehicle assisted towing conceptGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Aug 1, 2023·22 cites·13 claims
- 0398US10676079B1Hybrid electric powertrian system with e-accessory drive and associated power sharing architectureGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jun 9, 2020·44 cites·20 claims
- 0498US7367911B2Electrically variable transmission having three planetary gear sets, clutched input, two fixed interconnections and a stationary memberGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 6, 2008·75 cites·20 claims
- 0597US11603925B1Hydraulically actuated clutch system and control logic for torque converter assembliesGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Mar 14, 2023·5 cites·22 claims
- 0697US7294079B2Electrically variable transmission having three planetary gear sets and two fixed interconnections and a stationary interconnectionGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Nov 13, 2007·44 cites·14 claims
- 0797US6659904B1Multi-speed planetary transmissions with three interconnected gear setsGEN MOTORS CORP·Filed 2002·Granted Dec 9, 2003·81 cites·19 claims
- 0897US6634981B1Family of transmission mechanisms with three planetary gear sets and a stationary memberGEN MOTORS CORP·Filed 2002·Granted Oct 21, 2003·74 cites·15 claims
- 0996US10017044B2Hybrid powertrain systemGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 10, 2018·10 cites·18 claims
- 1096US7300374B2Multi-mode electrically variable transmissions having two planetary gear sets with one fixed interconnectionGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Nov 27, 2007·41 cites·18 claims
- 1196US7288041B2Multi-mode electrically variable transmissions having two planetary gear sets with two fixed interconnections and clutched inputGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Oct 30, 2007·47 cites·14 claims
- 1296US7252611B2Electrically 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
- 1396US7179187B2Electrically 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
- 1496US7169074B2Electrically variable transmission having two planetary gear sets with one stationary memberGEN MOTORS CORP·Filed 2005·Granted Jan 30, 2007·39 cites·15 claims
- 1596US6746360B2Transmission mechanisms with clutched input and a stationary planetary gear memberGEN MOTORS CORP·Filed 2002·Granted Jun 8, 2004·72 cites·15 claims
- 1696US6709360B2Family of multi-speed transmission mechanisms with three input clutches and three planetary gearsetsGEN MOTORS CORP·Filed 2002·Granted Mar 23, 2004·60 cites·8 claims
- 1796US6659903B1Multi-speed transmissions with three gear sets and a stationary planetary memberGEN MOTORS CORP·Filed 2002·Granted Dec 9, 2003·67 cites·16 claims
- 1896US6648790B2Family of multi-speed transmission mechanisms having three planetary gear sets and six torque-transmitting devicesGEN MOTORS CORP·Filed 2002·Granted Nov 18, 2003·68 cites·14 claims
- 1995US10259448B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 16, 2019·20 cites·19 claims
- 2095US8550222B2Active material based bodies for varying frictional force levels at the interface between two surfacesBROWNE ALAN L·Filed 2007·Granted Oct 8, 2013·18 cites·12 claims
- 2195US7329201B2Electrically variable transmission having two or three planetary gear sets with two or three fixed interconnectionsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 12, 2008·31 cites·16 claims
- 2295US7179186B2Electrically variable transmission having three interconnected planetary gear setsGEN MOTORS CORP·Filed 2005·Granted Feb 20, 2007·44 cites·15 claims
- 2395US7118510B2Planetary transmissions having input clutches and two interconnecting membersGEN MOTORS CORP·Filed 2004·Granted Oct 10, 2006·57 cites·15 claims
- 2495US7094173B2Wide ratio transmissions having a stationary planetary member and at least four clutchesGEN MOTORS CORP·Filed 2004·Granted Aug 22, 2006·58 cites·17 claims
- 2595US7074153B2Planetary transmissions having three gear sets and input clutchesGEN MOTORS CORP·Filed 2004·Granted Jul 11, 2006·56 cites·15 claims
- 2694US10940771B1Optimized operation of electric propulsion system having reconfigurable series/parallel voltage sourceGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Mar 9, 2021·10 cites·20 claims
- 2794US10759298B2Electric-drive motor vehicles, systems, and control logic for predictive charge planning and powertrain controlGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Sep 1, 2020·16 cites·20 claims
- 2894US9482330B1Hybrid transmissionGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 1, 2016·7 cites·12 claims
- 2994US7751963B2Self-tuning active engine mount for vehicles with active fuel management engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 6, 2010·22 cites·20 claims
- 3094US7387585B2Electrically variable transmission having three planetary gear sets, two fixed interconnections and a stationary memberGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 17, 2008·26 cites·18 claims
- 3194US7179185B2Electrically 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
- 3294US7033299B2Planetary transmissions having three interconnected gear sets and clutched inputGEN MOTORS CORP·Filed 2004·Granted Apr 25, 2006·46 cites·15 claims
- 3394US6962548B2Wide ratio transmissions with a stationary planetary gear member and at least five clutchesGEN MOTORS CORP·Filed 2004·Granted Nov 8, 2005·51 cites·17 claims
- 3494US6830141B1Friction-based clutch actuation systemGEN MOTORS CORP·Filed 2003·Granted Dec 14, 2004·32 cites·34 claims
- 3594US6712731B1Transmission mechanisms with three planetary gear setsGEN MOTORS CORP·Filed 2002·Granted Mar 30, 2004·51 cites·14 claims
- 3694US6669597B1Transmission mechanisms with three planetary gear sets and a stationary fixed interconnectionGEN MOTORS CORP·Filed 2002·Granted Dec 30, 2003·52 cites·14 claims
- 3793US8454466B2Hybrid powertrain system using selectable one-way clutchesSAMIE FARZAD·Filed 2010·Granted Jun 4, 2013·18 cites·17 claims
- 3893US7607634B2Shape memory polymer conduits and methods of useGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Oct 27, 2009·31 cites·5 claims
- 3993US7473199B2Two-planetary electrically variable transmissions with multiple fixed ratiosGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 6, 2009·27 cites·17 claims
- 4093US7396305B2Electrically variable transmission having three planetary gear sets, a stationary member and three fixed interconnectionsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jul 8, 2008·25 cites·18 claims
- 4192US7192373B2Electrically variable transmission having two planetary gear sets with one fixed interconnectionGEN MOTORS CORP·Filed 2004·Granted Mar 20, 2007·68 cites·16 claims
- 4292US7192378B2Planetary transmissions having three interconnecting members and clutched input membersGEN MOTORS CORP·Filed 2005·Granted Mar 20, 2007·23 cites·16 claims
- 4392US7150696B2Planetary transmissions having a stationary gear member and clutched input membersGEN MOTORS CORP·Filed 2004·Granted Dec 19, 2006·40 cites·17 claims
- 4492US7150695B2Planetary transmissions having input clutches and three interconnected gear setsGEN MOTORS CORP·Filed 2004·Granted Dec 19, 2006·40 cites·15 claims
- 4591US10189470B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 29, 2019·12 cites·14 claims
- 4691US8182391B2Electric torque converter for a powertrain and method of operating a vehicleKLEMEN DONALD·Filed 2008·Granted May 22, 2012·28 cites·19 claims
- 4791US7797933B2Servo system augmented with an active material componentGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Sep 21, 2010·12 cites·19 claims
- 4891US7347798B2Electrically variable transmission having three planetary gearsets and four fixed interconnectionsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 25, 2008·19 cites·14 claims
- 4991US7081066B2Planetary transmissions having three non-continuously interconnected gear setsGEN MOTORS CORP·Filed 2004·Granted Jul 25, 2006·37 cites·15 claims
- 5091US6949048B2Wide ratio transmissions with three planetary gear sets and two brakesGEN MOTORS CORP·Filed 2004·Granted Sep 27, 2005·38 cites·14 claims
Showing the top 50 of 222 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →