Inventor

SURESH GOPALAKRISHNAN

Inventor

US

Overview

2021–2026

Patent span

Electricity

Primary field (CPC H)

Patents· 89 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B60Lprimary

B60LPropulsion of electrically-propelled vehicles21%

H02JElectric power networks13%

Y02TClimate change mitigation technologies related to transportation13%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

H02KDynamo-electric machines3%

B60WConjoint control of vehicle sub-units of different type or different function3%

G01RMeasuring electric variables3%

PatentTitleYear

12,587,122Electric drive system with electric machine having stationary rotor power transfer2026 12,576,741Multi-port multi-battery pack charging for vehicles2026 12,558,994Electric vehicle energy storage systems including dc-dc power converters operable in selected operating modes2026 12,519,379Synchronous electric machine with reconfigurable rotor and stator poles2026 12,508,949Balance control for rechargeable energy storage system2025 12,503,004Contactor operation monitoring for multi-voltage vehicle operation2025 12,494,665Power inverter with twisted and segmented wire conductors for current conduction and sensing2025 12,485,798State of charge control system for vehicle battery modules2025 12,483,170Electric drive system with static pulsed power transfer2025 12,447,831Motor system control2025 12,451,706Multi-voltage vehicle operation2025 12,451,831Control of switching speed in a multiphase inverter2025 12,403,777Power control system for DC-DC converter and inverter pre-charging and shutdown2025 12,401,247Electric motor with asymmetric-turn windings and a vehicle having the same2025 12,395,111Overvoltage mitigation system2025 12,395,045Choke device for an electric machine system2025 12,384,352Constraint handling for electric motor parameters2025 12,370,924Multilevel direct current power source powering multilevel inverter2025 12,374,893Method and apparatus for integrated bi-directional charging2025 12,348,162Power transfer for electric motors with segmented windings2025 12,316,264Torque ripple mitigation2025 12,308,691Discharge system for DC capacitors with active loss control2025 12,267,032Dual inverter open winding machine for vehicle with electric power takeoff2025 12,246,615Current sensors for battery cells of a vehicle battery system2025 12,247,893Torque sensing for electric vehicle drive system2025 12,246,606Multi-function DC-DC converter for battery electric vehicles2025 12,233,789Predicting failures of electrical loads and wiring harnesses of a vehicle2025 12,233,748Multi-voltage vehicle operation2025 12,208,756Managing current or voltage in low voltage buses of vehicles2025 12,191,686System and method for modular dynamically adjustable capacity storage2025 12,179,605Voltage switching of an electric motor2024 12,176,892Electronic control of switching slew rates2024 12,151,588Power control system and method for controlling an electric vehicle including one or more supplemental protection devices2024 12,155,244High voltage architecture for multi-port charging system2024 12,139,040Electric drive with dual-energy storage and variable inverter input2024 12,136,805Apparatus and method for arc fault protection2024 12,113,468Voltage overshoot mitigation2024 12,101,043Neural network and torque feedback-based control of vehicle electric traction motor2024 12,095,352Systems and methods for reducing battery ripple loss2024 12,074,590Vehicle fuse control in key-off mode2024 12,074,466Voltage control of multi-battery systems2024 12,051,985Battery charging systems and methods via electric machine2024 12,046,946Apparatus and method for vehicle low voltage power net operation with disconnected battery2024 12,036,884Propulsion systems with power sources compatible with different charging stations and dynamically scalable for different vehicle speed and torque modes2024 12,034,134Integrated battery and battery electrical controller2024 12,027,908High power density universal vehicle charger2024 12,017,545Method of using electrical center for battery disconnect2024 12,009,715Electronic gear changing multifunction inverter2024 11,999,263Voltage control of multi-drive systems2024 12,000,869Positioning and correction of current sensing devices2024 11,987,136Current observer for current regulator of vehicle electric traction motor2024 11,987,132Linear time varying model predictive torque control2024 11,984,834Power control system for switching battery configuration during driving2024 11,984,561Battery switch control systems and methods2024 11,970,078Vehicle accessory load control and power stability2024 11,962,173Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports2024 11,929,475Battery heating during vehicle operation and/or during vehicle charging2024 11,916,414Apparatus and method for coordinating contactor-fuse system2024 11,901,844Electric motor control2024 11,890,958Multifunctional charging topology for electric vehicle2024 11,865,932High voltage switching for an electric vehicle2024 11,811,212Synchronization of electronic fuses in vehicle power distribution2023 11,767,007Apparatus and method for energy management for dual energy storage2023 11,762,406Voltage control and noise isolation for a fuse system2023 11,699,967Electric machine with integrated point field detectors and system for multi-parameter sensing2023 11,689,093Current source inverter having hybrid switches2023 11,689,133Inverter switching frequency control systems and methods2023 11,689,138Reduced control cycle current regulator for vehicle electric traction motor2023 11,506,167Ultracapacitor to augment starter system during starting of vehicle engine2022 11,499,517Additional battery to augment starter system during starting of vehicle engine2022 11,489,472Current source inverter control systems and methods2022 11,482,954System and method for generating heating AC current2022 11,480,421Electric powertrain with rotary electric machine and position sensor-to-controller interface2022 11,441,526Engine crank system and method2022 11,400,824Electrical propulsion system architecture2022 11,391,331Engine start/stop control for a hybrid electric powertrain2022 11,383,696Method and apparatus for controlling a powertrain system2022 11,365,711Energy storage system with multiple battery modules for a vehicle propulsion system2022 11,358,492Self-balancing switching control of dual-pack rechargeable energy storage system with series and parallel modes2022 11,356,006Electric machine with inductive position sensor assembly and method for assembling and aligning the same2022 11,351,880Methods and systems for alignment of wireless charging modules2022 11,349,475Systems and methods for reallocation of electronic fuses configured to drive a fuse harness operationally coupled to multiple loads implemented onboard a vehicle2022 11,336,101Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports2022 11,327,901Modular dynamically allocated capacity storage systems implemented as respective batteries each having multiple source terminals2022 11,254,223Operating mode optimization for electric propulsion system with downsized DC-DC converter2022 11,235,678Electric vehicle charging using downsized buck boost converter2022 11,233,407Switch control systems and methods for battery with adjustable capacity2022 11,220,172Motor vehicle hybrid powertrain2022 11,199,169Apparatus and method for engine stop position control2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to GM GLOBAL TECH OPERATIONS LLC (89)· patent assignee history

2021–2026Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GM GLOBAL TECH OPERATIONS LLC	89	2021–2026

Locations

Location	Patents	Span
US	89	2021–2026