Inventor · disambiguated record
Madhusudan Raghavan
Also filed as: RAGHAVAN MADHUSUDAN
289 granted patents·18 pending applications·4,804 citations·filing 2000–2024
99Inventor score
Files withGM GLOBAL TECH OPERATIONS INC128GEN MOTORS CORP123GM GLOBAL TECH OPERATIONS LLC39KRAYNEV ALEXANDER FILIPPOVICH4ATLURI VENKATA PRASAD3
Top patents by PatentIndex Score
307 records- 0199US11336101B2Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge portsGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted May 17, 2022·20 cites·20 claims
- 0299US6623397B1Family 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
- 0399US6422969B1Powertrain with a six speed planetary transmission having three planetary gear setsGEN MOTORS CORP·Filed 2000·Granted Jul 23, 2002·303 cites·17 claims
- 0498US11712977B2Battery-electric-vehicle assisted towing conceptGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Aug 1, 2023·22 cites·13 claims
- 0598US10676079B1Hybrid 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
- 0698US7699741B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 20, 2010·64 cites·19 claims
- 0798US7367911B2Electrically 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
- 0897US7575532B2Wide ratio transmission with four planetary gear setsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 18, 2009·50 cites·12 claims
- 0997US7294079B2Electrically 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
- 1097US6659904B1Multi-speed planetary transmissions with three interconnected gear setsGEN MOTORS CORP·Filed 2002·Granted Dec 9, 2003·81 cites·19 claims
- 1197US6634981B1Family of transmission mechanisms with three planetary gear sets and a stationary memberGEN MOTORS CORP·Filed 2002·Granted Oct 21, 2003·74 cites·15 claims
- 1296US11235662B1Electrically propelled vehicle gearbox having a power take-offGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Feb 1, 2022·6 cites·6 claims
- 1396US7766783B28-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 3, 2010·38 cites·12 claims
- 1496US7539562B2Hybrid vehicle powertrain control method and apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted May 26, 2009·53 cites·5 claims
- 1596US7300374B2Multi-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
- 1696US7288041B2Multi-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
- 1796US7252611B2Electrically 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
- 1896US7179187B2Electrically 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
- 1996US7169074B2Electrically variable transmission having two planetary gear sets with one stationary memberGEN MOTORS CORP·Filed 2005·Granted Jan 30, 2007·39 cites·15 claims
- 2096US6746360B2Transmission mechanisms with clutched input and a stationary planetary gear memberGEN MOTORS CORP·Filed 2002·Granted Jun 8, 2004·72 cites·15 claims
- 2196US6709360B2Family 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
- 2296US6659903B1Multi-speed transmissions with three gear sets and a stationary planetary memberGEN MOTORS CORP·Filed 2002·Granted Dec 9, 2003·67 cites·16 claims
- 2396US6648790B2Family 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
- 2496US6530858B1Family of multi-speed planetary power transmission mechanisms having three planetary gearsetsGEN MOTORS CORP·Filed 2001·Granted Mar 11, 2003·62 cites·5 claims
- 2595US7329201B2Electrically 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
- 2695US7179186B2Electrically variable transmission having three interconnected planetary gear setsGEN MOTORS CORP·Filed 2005·Granted Feb 20, 2007·44 cites·15 claims
- 2795US7118510B2Planetary transmissions having input clutches and two interconnecting membersGEN MOTORS CORP·Filed 2004·Granted Oct 10, 2006·57 cites·15 claims
- 2895US7094173B2Wide ratio transmissions having a stationary planetary member and at least four clutchesGEN MOTORS CORP·Filed 2004·Granted Aug 22, 2006·58 cites·17 claims
- 2995US7074153B2Planetary transmissions having three gear sets and input clutchesGEN MOTORS CORP·Filed 2004·Granted Jul 11, 2006·56 cites·15 claims
- 3094US9370992B2Powertrain for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Jun 21, 2016·15 cites·52 claims
- 3194US7473201B2Multi-mode electrically variable transmissions with three fixed interconnections and two input clutchesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 6, 2009·27 cites·15 claims
- 3294US7387585B2Electrically 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
- 3394US7179185B2Electrically 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
- 3494US7033299B2Planetary transmissions having three interconnected gear sets and clutched inputGEN MOTORS CORP·Filed 2004·Granted Apr 25, 2006·46 cites·15 claims
- 3594US6962548B2Wide 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
- 3694US6712731B1Transmission mechanisms with three planetary gear setsGEN MOTORS CORP·Filed 2002·Granted Mar 30, 2004·51 cites·14 claims
- 3794US6669597B1Transmission mechanisms with three planetary gear sets and a stationary fixed interconnectionGEN MOTORS CORP·Filed 2002·Granted Dec 30, 2003·52 cites·14 claims
- 3893US10760624B1Wedge-type selectable one-way clutches for engine disconnect devices of motor vehicle powertrainsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Sep 1, 2020·5 cites·20 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
- 4192US7731622B28-speed transmissionsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 8, 2010·21 cites·9 claims
- 4292US7704180B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 27, 2010·20 cites·15 claims
- 4392US7524259B2Wide ratio transmission with four planetary gear sets and four brakesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 28, 2009·21 cites·10 claims
- 4492US7192373B2Electrically variable transmission having two planetary gear sets with one fixed interconnectionGEN MOTORS CORP·Filed 2004·Granted Mar 20, 2007·68 cites·16 claims
- 4592US7192378B2Planetary transmissions having three interconnecting members and clutched input membersGEN MOTORS CORP·Filed 2005·Granted Mar 20, 2007·23 cites·16 claims
- 4692US7150696B2Planetary transmissions having a stationary gear member and clutched input membersGEN MOTORS CORP·Filed 2004·Granted Dec 19, 2006·40 cites·17 claims
- 4792US7150695B2Planetary transmissions having input clutches and three interconnected gear setsGEN MOTORS CORP·Filed 2004·Granted Dec 19, 2006·40 cites·15 claims
- 4892US6514170B1Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanismsGEN MOTORS CORP·Filed 2001·Granted Feb 4, 2003·39 cites·11 claims
- 4991US10189470B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 29, 2019·12 cites·14 claims
- 5091US8036785B2Hybrid vehicle powertrain control methodGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Oct 11, 2011·26 cites·13 claims
Showing the top 50 of 307 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →