Inventor
BUCKNOR NORMAN K
US159 patents
⚠️ This page may combine multiple inventors who share the name “BUCKNOR NORMAN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
19 patentsUS7367911B2May 6, 2008
Electrically variable transmission having three planetary gear sets, clutched input, two fixed interconnections and a stationary member
GM GLOBAL TECH OPERATIONS INC75 citations98
US7422535B2Sep 9, 2008
Electrically variable transmissions having two planetary gearsets and clutched input
GM GLOBAL TECH OPERATIONS INC19 citations93
US7396305B2Jul 8, 2008
Electrically variable transmission having three planetary gear sets, a stationary member and three fixed interconnections
GM GLOBAL TECH OPERATIONS INC25 citations93
US7387585B2Jun 17, 2008
Electrically variable transmission having three planetary gear sets, two fixed interconnections and a stationary member
GM GLOBAL TECH OPERATIONS INC26 citations93
US7329201B2Feb 12, 2008
Electrically variable transmission having two or three planetary gear sets with two or three fixed interconnections
GM GLOBAL TECH OPERATIONS INC31 citations93
US7300374B2Nov 27, 2007
Multi-mode electrically variable transmissions having two planetary gear sets with one fixed interconnection
GM GLOBAL TECH OPERATIONS INC41 citations93
US7294079B2Nov 13, 2007
Electrically variable transmission having three planetary gear sets and two fixed interconnections and a stationary interconnection
GM GLOBAL TECH OPERATIONS INC44 citations93
US7288041B2Oct 30, 2007
Multi-mode electrically variable transmissions having two planetary gear sets with two fixed interconnections and clutched input
GM GLOBAL TECH OPERATIONS INC47 citations93
US7282004B2Oct 16, 2007
Electrically variable transmission having three interconnected planetary gearsets, a stationary member and a fixed input
GM GLOBAL TECH OPERATIONS INC24 citations93
US7273435B2Sep 25, 2007
Multi-mode electrically variable transmissions having two planetary gear sets with one fixed interconnection and clutched input
GM GLOBAL TECH OPERATIONS INC24 citations93
US7252612B2Aug 7, 2007
Electrically variable transmission having two planetary gear sets with one fixed interconnection and a stationary member
GM GLOBAL TECH OPERATIONS INC23 citations93
US7252611B2Aug 7, 2007
Electrically variable transmission having two planetary gear sets with one interconnecting member and clutched input
GM GLOBAL TECH OPERATIONS INC48 citations93
US7179187B2Feb 20, 2007
Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakes
GM GLOBAL TECH OPERATIONS INC55 citations93
US7823382B2Nov 2, 2010
Active material actuator with modulated movement
GM GLOBAL TECH OPERATIONS INC20 citations92
US7751963B2Jul 6, 2010
Self-tuning active engine mount for vehicles with active fuel management engine
GM GLOBAL TECH OPERATIONS INC22 citations92
US7473199B2Jan 6, 2009
Two-planetary electrically variable transmissions with multiple fixed ratios
GM GLOBAL TECH OPERATIONS INC27 citations92
US7607634B2Oct 27, 2009
Shape memory polymer conduits and methods of use
GM GLOBAL TECH OPERATIONS INC31 citations90
US8033954B2Oct 11, 2011
Hybrid powertrain with reversing engine and method of control
GM GLOBAL TECH OPERATIONS INC13 citations84
US7797933B2Sep 21, 2010
Servo system augmented with an active material component
GM GLOBAL TECH OPERATIONS INC12 citations84
GEN MOTORS CORP
18 patentsUS7192373B2Mar 20, 2007
Electrically variable transmission having two planetary gear sets with one fixed interconnection
GEN MOTORS CORP68 citations98
US7094173B2Aug 22, 2006
Wide ratio transmissions having a stationary planetary member and at least four clutches
GEN MOTORS CORP58 citations96
US7192378B2Mar 20, 2007
Planetary transmissions having three interconnecting members and clutched input members
GEN MOTORS CORP23 citations93
US7179185B2Feb 20, 2007
Electrically variable transmission having three interconnected planetary gear sets, two clutches and at least two brakes
GEN MOTORS CORP28 citations93
US7179186B2Feb 20, 2007
Electrically variable transmission having three interconnected planetary gear sets
GEN MOTORS CORP44 citations93
US7169074B2Jan 30, 2007
Electrically variable transmission having two planetary gear sets with one stationary member
GEN MOTORS CORP39 citations93
US7150696B2Dec 19, 2006
Planetary transmissions having a stationary gear member and clutched input members
GEN MOTORS CORP40 citations93
US7150695B2Dec 19, 2006
Planetary transmissions having input clutches and three interconnected gear sets
GEN MOTORS CORP40 citations93
US7118510B2Oct 10, 2006
Planetary transmissions having input clutches and two interconnecting members
GEN MOTORS CORP57 citations93
US7086986B2Aug 8, 2006
Wide ratio transmissions with two fixed interconnecting members and at least three clutches
GEN MOTORS CORP22 citations93
US7081066B2Jul 25, 2006
Planetary transmissions having three non-continuously interconnected gear sets
GEN MOTORS CORP37 citations93
US7074153B2Jul 11, 2006
Planetary transmissions having three gear sets and input clutches
GEN MOTORS CORP56 citations93
US7033299B2Apr 25, 2006
Planetary transmissions having three interconnected gear sets and clutched input
GEN MOTORS CORP46 citations93
US6976931B2Dec 20, 2005
Eight speed transmissions with three planetary gear sets
GEN MOTORS CORP25 citations93
US6962548B2Nov 8, 2005
Wide ratio transmissions with a stationary planetary gear member and at least five clutches
GEN MOTORS CORP51 citations93
US6949048B2Sep 27, 2005
Wide ratio transmissions with three planetary gear sets and two brakes
GEN MOTORS CORP38 citations93
US6945900B2Sep 20, 2005
Wide ratio transmissions with three interconnected planetary gear members
GEN MOTORS CORP29 citations93
US7059994B2Jun 13, 2006
Wide ratio transmissions with a fixed interconnecting member and a stationary planetary member
GEN MOTORS CORP23 citations89
GM GLOBAL TECH OPERATIONS LLC
7 patentsUS11712977B2Aug 1, 2023
Battery-electric-vehicle assisted towing concept
GM GLOBAL TECH OPERATIONS LLC22 citations95
US10676079B1Jun 9, 2020
Hybrid electric powertrian system with e-accessory drive and associated power sharing architecture
GM GLOBAL TECH OPERATIONS LLC44 citations95
US10259448B2Apr 16, 2019
Hybrid vehicle propulsion systems and methods
GM GLOBAL TECH OPERATIONS LLC20 citations93
US10940771B1Mar 9, 2021
Optimized operation of electric propulsion system having reconfigurable series/parallel voltage source
GM GLOBAL TECH OPERATIONS LLC10 citations86
US10759298B2Sep 1, 2020
Electric-drive motor vehicles, systems, and control logic for predictive charge planning and powertrain control
GM GLOBAL TECH OPERATIONS LLC16 citations86
US10017044B2Jul 10, 2018
Hybrid powertrain system
GM GLOBAL TECH OPERATIONS LLC10 citations84
US9482330B1Nov 1, 2016
Hybrid transmission
GM GLOBAL TECH OPERATIONS LLC7 citations84
LEE CHUNHAO J
2 patentsKLEMEN DONALD
1 patentHOLMES ALAN G
1 patentBROWNE ALAN L
1 patentSAMIE FARZAD
1 patentShowing the top 50 of 159 patents by PatentIndex Score.