Inventor · disambiguated record
Chandra S. Namuduri
Also filed as: NAMUDURI CHANDRA · NAMUDURI CHANDRA S · NAMUDURI CHANDRA SEKHAR
317 granted patents·76 pending applications·2,614 citations·filing 1991–2024
99Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC286GM GLOBAL TECH OPERATIONS INC44GEN MOTORS CORP18NAMUDURI CHANDRA S9DELPHI TECH INC6
Top patents by PatentIndex Score
393 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
- 0298US11383607B1Bi-directional electrical charging system for a motor vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Jul 12, 2022·11 cites·20 claims
- 0398US9621099B1Method for switching between a full winding mode and a half winding mode in a three-phase machineGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 11, 2017·21 cites·17 claims
- 0498US9452672B2Vehicle powertrainGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 27, 2016·28 cites·30 claims
- 0598US9108633B1Hybrid powertrain and method of controlling sameGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Aug 18, 2015·42 cites·27 claims
- 0697US10917030B1Electric drive system with reconfigurable machine windingsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Feb 9, 2021·10 cites·18 claims
- 0797US10854933B2Battery pack voltage-switching systems and control logic for multi-pack electric-drive motor vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Dec 1, 2020·10 cites·20 claims
- 0897US10436167B1Starter system and method of controlGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 8, 2019·15 cites·19 claims
- 0997US10424429B2Long stroke linear solenoidGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Sep 24, 2019·9 cites·20 claims
- 1097US10190561B1System and method for rapid engine startGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jan 29, 2019·14 cites·20 claims
- 1197US10110103B1Electric drive system enhancement using a DC-DC converterGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Oct 23, 2018·11 cites·20 claims
- 1297US9882521B2Apparatus and methods of controlling electric drive with reconfigurable windingGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 30, 2018·11 cites·13 claims
- 1397US9624883B2Smart actuator for plug and playGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Apr 18, 2017·11 cites·20 claims
- 1497US8314578B2Control of an alternator-starter for a hybrid electric vehicle having a disconnected high-voltage batteryNAMUDURI CHANDRA S·Filed 2010·Granted Nov 20, 2012·30 cites·17 claims
- 1597US8253281B2Energy harvesting apparatus incorporated into shock absorberNAMUDURI CHANDRA S·Filed 2009·Granted Aug 28, 2012·53 cites·9 claims
- 1697US6498451B1Torque ripple free electric power steeringDELPHI TECH INC·Filed 2000·Granted Dec 24, 2002·133 cites·74 claims
- 1797US5291106ASingle current regulator for controlled motoring and braking of a DC-fed electric motorGEN MOTORS CORP·Filed 1992·Granted Mar 1, 1994·115 cites·10 claims
- 1896US11840153B1High voltage switching for charging an electric vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Dec 12, 2023·3 cites·20 claims
- 1996US11607967B2Vehicle electrical system having a power inverter and an electric motor for stepping up voltageGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Mar 21, 2023·4 cites·20 claims
- 2096US10369896B2Apparatus and method for flexible DC fast charging of an electrified vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 6, 2019·19 cites·20 claims
- 2196US10017044B2Hybrid powertrain systemGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 10, 2018·10 cites·18 claims
- 2296US9973134B1Electrical system with reverse current protection circuitGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted May 15, 2018·17 cites·19 claims
- 2396US8143766B2Harvesting energy from vehicular vibrations using piezoelectric devicesNAMUDURI CHANDRA S·Filed 2009·Granted Mar 27, 2012·46 cites·17 claims
- 2496US7791245B1Optimized electric machine for smart actuatorsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Sep 7, 2010·40 cites·17 claims
- 2595US12036884B2Propulsion systems with power sources compatible with different charging stations and dynamically scalable for different vehicle speed and torque modesGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Jul 16, 2024·3 cites·20 claims
- 2695US12009715B2Electronic gear changing multifunction inverterGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Jun 11, 2024·2 cites·20 claims
- 2795US11728732B2Electrical system having buck converter functionalityGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Aug 15, 2023·3 cites·20 claims
- 2895US11225153B2Intelligent vehicles with advanced vehicle camera systems for underbody hazard and foreign object detectionGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Jan 18, 2022·5 cites·19 claims
- 2995US10665398B1Direct current solid-state switchGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted May 26, 2020·9 cites·20 claims
- 3095US10259448B2Hybrid vehicle propulsion systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 16, 2019·20 cites·19 claims
- 3195US9868410B2Apparatus and method for electrical power management in a vehicle systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jan 16, 2018·12 cites·18 claims
- 3295US9657705B2Powertrain for a vehicle and an electromechanical apparatus coupleable to an engineGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted May 23, 2017·22 cites·47 claims
- 3395US8063498B2Harvesting energy from vehicular vibrationsNAMUDURI CHANDRA S·Filed 2009·Granted Nov 22, 2011·32 cites·20 claims
- 3495US7051849B2Magnetorheological fluid damperGEN MOTORS CORP·Filed 2003·Granted May 30, 2006·47 cites·12 claims
- 3594US11236718B1Control of pre-engaged pinion starterGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Feb 1, 2022·3 cites·17 claims
- 3694US10940771B1Optimized 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
- 3794US9388722B2Voltage control system for heating a selective catalyst reduction deviceGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 12, 2016·20 cites·16 claims
- 3894US9370992B2Powertrain for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Jun 21, 2016·15 cites·52 claims
- 3994US8901934B2Diagnosis of HEV/EV battery disconnect systemNAMOU ANDREW J·Filed 2011·Granted Dec 2, 2014·18 cites·18 claims
- 4094US8602419B2Temperature adaptive radial shaft seal assemblies using shape memory alloy elementsNAMUDURI CHANDRA S·Filed 2011·Granted Dec 10, 2013·11 cites·5 claims
- 4194US7422093B2Magneto-rheological couplingGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 9, 2008·18 cites·15 claims
- 4294US7290525B1Methods 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
- 4394US7257947B2Power steering systemGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 21, 2007·16 cites·18 claims
- 4494US6498449B1Low ripple torque control of a permanent magnet motor without using current sensorsDELPHI TECH INC·Filed 2000·Granted Dec 24, 2002·51 cites·18 claims
- 4593US12107454B1Efficient charging of an external energy storage system from a vehicle battery systemGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Oct 1, 2024·1 cites·20 claims
- 4693US10605217B2Vehicle engine starter control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Mar 31, 2020·6 cites·14 claims
- 4793US10432130B2Electric powertrain and a method of operating the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 1, 2019·11 cites·20 claims
- 4893US9914599B2Systems, processes and apparatuses for automated handling of non-ferrous metal objectsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Mar 13, 2018·5 cites·20 claims
- 4993US9597979B1Method of controlling regeneration and boost functions of a hybrid powertrainGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Mar 21, 2017·13 cites·20 claims
- 5093US9601812B2High-voltage contactor switching systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Mar 21, 2017·9 cites·15 claims
Showing the top 50 of 393 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →