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Troy, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptive fast-charging of multi-pack battery system in a mobile pla...
Patent number
11,962,173
Issue date
Apr 16, 2024
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery heating during vehicle operation and/or during vehicle char...
Patent number
11,929,475
Issue date
Mar 12, 2024
GM Global Technology Operations LLC
Neeraj S. Shidore
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for bypassing a torque converter in a powertrain
Patent number
11,898,626
Issue date
Feb 13, 2024
GM Global Technology Operations LLC
Dongxu Li
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multifunctional charging topology for electric vehicle
Patent number
11,890,958
Issue date
Feb 6, 2024
GM Global Technology Operations LLC
Rashmi Prasad
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Operator-selected operation of electric propulsion system having re...
Patent number
11,872,906
Issue date
Jan 16, 2024
GM Global Technology Operations LLC
Alireza Fatemi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
High voltage switching for an electric vehicle
Patent number
11,865,932
Issue date
Jan 9, 2024
GM Global Technology Operations LLC
Dongxu Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Efficient bypass switches for DC/DC converter
Patent number
11,863,072
Issue date
Jan 2, 2024
GM Global Technology Operations LLC
Yusheng Zou
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for electric motor control
Patent number
11,848,629
Issue date
Dec 19, 2023
GM Global Technology Operations LLC
Yue-Yun Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for a power take off mechanism for a powertrain system
Patent number
11,821,501
Issue date
Nov 21, 2023
GM Global Technology Operations LLC
Dongxu Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Motor and torque converter clutch control strategy for electric dri...
Patent number
11,780,421
Issue date
Oct 10, 2023
GM Global Technology Operations LLC
Norman K. Bucknor
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Impedance estimation of power sources via motor inverter circuits
Patent number
11,757,391
Issue date
Sep 12, 2023
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electrified propulsion system and apparatus
Patent number
11,703,113
Issue date
Jul 18, 2023
GM Global Technology Operations LLC
Chengwu Duan
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Reduced control cycle current regulator for vehicle electric tracti...
Patent number
11,689,138
Issue date
Jun 27, 2023
GM Global Technology Operations LLC
Muhammad Hussain Alvi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulically actuated clutch system and control logic for torque c...
Patent number
11,603,925
Issue date
Mar 14, 2023
GM Global Technology Operations LLC
Chunhao J. Lee
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rotor end ring with oil jacket
Patent number
11,606,005
Issue date
Mar 14, 2023
GM Global Technology Operations LLC
Xiaofeng Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for rotor temperature measurement
Patent number
11,527,941
Issue date
Dec 13, 2022
GM Global Technology Operations LLC
Wei Zeng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current source inverter control systems and methods
Patent number
11,489,472
Issue date
Nov 1, 2022
GM Global Technology Operations LLC
Suresh Gopalakrishnan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for detecting stator winding faults and degrada...
Patent number
11,489,471
Issue date
Nov 1, 2022
GM Global Technology Operations LLC
Jiyu Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for generating heating AC current
Patent number
11,482,954
Issue date
Oct 25, 2022
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rotor cooling system with increased coolant residence time for elec...
Patent number
11,469,634
Issue date
Oct 11, 2022
GM Global Technology Operations LLC
Xiaofeng Yang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Early fault detection and mitigation for electric motors
Patent number
11,451,175
Issue date
Sep 20, 2022
GM Global Technology Operations LLC
Jiyu Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Torque and current control methods for switching variable electric...
Patent number
11,394,330
Issue date
Jul 19, 2022
GM Global Technology Operations LLC
Yue-Yun Wang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Self-balancing switching control of dual-pack rechargeable energy s...
Patent number
11,358,492
Issue date
Jun 14, 2022
GM Global Technology Operations LLC
Yue-Yun Wang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Adaptive fast-charging of multi-pack battery system in a mobile pla...
Patent number
11,336,101
Issue date
May 17, 2022
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Cooling jacket with coolant mass balancing for electric motors
Patent number
11,309,766
Issue date
Apr 19, 2022
GM Global Technology Operations LLC
Xiaofeng Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Operating mode optimization for electric propulsion system with dow...
Patent number
11,254,223
Issue date
Feb 22, 2022
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Control of pre-engaged pinion starter
Patent number
11,236,718
Issue date
Feb 1, 2022
GM Global Technology Operations LLC
Chunhao J. Lee
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electric vehicle charging using downsized buck boost converter
Patent number
11,235,678
Issue date
Feb 1, 2022
GM Global Technology Operations LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Management system with supervisory control for rechargeable energy...
Patent number
11,225,169
Issue date
Jan 18, 2022
GM Global Technology Operations LLC
Yue-Yun Wang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Motor vehicle hybrid powertrain
Patent number
11,220,172
Issue date
Jan 11, 2022
GM Global Technology Operations LLC
Neeraj S. Shidore
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
DISTRIBUTED BATTERY MANAGEMENT FOR A VEHICLE
Publication number
20240079662
Publication date
Mar 7, 2024
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei Hao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY HEATING DURING VEHICLE OPERATION AND/OR DURING VEHICLE CHAR...
Publication number
20230420763
Publication date
Dec 28, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Neeraj S. Shidore
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND APPARATUS FOR ELECTRIC MOTOR CONTROL
Publication number
20230402944
Publication date
Dec 14, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Yue-Yun Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HIGH VOLTAGE SWITCHING FOR AN ELECTRIC VEHICLE
Publication number
20230398887
Publication date
Dec 14, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Dongxu Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR REDUCING BATTERY RIPPLE LOSS
Publication number
20230387787
Publication date
Nov 30, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chandra S. NAMUDURI
B60 - VEHICLES IN GENERAL
Information
Patent Application
HIGH POWER DENSITY UNIVERSAL VEHICLE CHARGER
Publication number
20230378797
Publication date
Nov 23, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Application
MULTIFUNCTIONAL CHARGING TOPOLOGY FOR ELECTRIC VEHICLE
Publication number
20230365016
Publication date
Nov 16, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Rashmi Prasad
B60 - VEHICLES IN GENERAL
Information
Patent Application
CHARGING TO AND/OR FROM A VEHICLE USING A SCALABLE BUCK-BOOST SYSTEM
Publication number
20230365012
Publication date
Nov 16, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chandra S. Namuduri
B60 - VEHICLES IN GENERAL
Information
Patent Application
NEURAL NETWORK AND TORQUE FEEDBACK-BASED CONTROL OF VEHICLE ELECTRI...
Publication number
20230361707
Publication date
Nov 9, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Application
ELECTRONIC GEAR CHANGING MULTIFUNCTION INVERTER
Publication number
20230344293
Publication date
Oct 26, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Rashmi PRASAD
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONTROL SYSTEM FOR SWITCHING BATTERY CONFIGURATION DURING DRI...
Publication number
20230299695
Publication date
Sep 21, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Muhammad Hussain ALVI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BATTERY CHARGING SYSTEMS AND METHODS VIA ELECTRIC MACHINE
Publication number
20230299702
Publication date
Sep 21, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei Hao
B60 - VEHICLES IN GENERAL
Information
Patent Application
IMPEDANCE ESTIMATION OF POWER SOURCES VIA MOTOR INVERTER CIRCUITS
Publication number
20230268860
Publication date
Aug 24, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei HAO
B60 - VEHICLES IN GENERAL
Information
Patent Application
BALANCING OF BATTERY PACKS VIA DC-TO-DC CONVERTERS AND MOTOR INVERT...
Publication number
20230268745
Publication date
Aug 24, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Lei HAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEMS AND METHODS FOR DIAGNOSING HEALTH OF A BATTERY USING IN-VEH...
Publication number
20230221375
Publication date
Jul 13, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Yue-Yun Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRIFIED PROPULSION SYSTEM AND APPARATUS
Publication number
20230167886
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chengwu Duan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HYDRAULIC SYSTEM AND CONTROL LOGIC FOR TORQUE CONVERTER ASSEMBLIES
Publication number
20230167887
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chunhao J. Lee
B60 - VEHICLES IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR BYPASSING A TORQUE CONVERTER IN A POWERTRAIN
Publication number
20230167889
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Dongxu Li
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SYSTEM FOR A POWER TAKE OFF MECHANISM FOR A POWERTRAIN SYSTEM
Publication number
20230167888
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Dongxu Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
MOTOR AND TORQUE CONVERTER CLUTCH CONTROL STRATEGY FOR ELECTRIC DRI...
Publication number
20230166710
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Norman K. Bucknor
B60 - VEHICLES IN GENERAL
Information
Patent Application
POWER CONTROL SYSTEM FOR DC-DC CONVERTER AND INVERTER PRE-CHARGING...
Publication number
20230166633
Publication date
Jun 1, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chunhao J. Lee
B60 - VEHICLES IN GENERAL
Information
Patent Application
MULTI-FUNCTION DC-DC CONVERTER FOR BATTERY ELECTRIC VEHICLES
Publication number
20230150378
Publication date
May 18, 2023
Lei HAO
B60 - VEHICLES IN GENERAL
Information
Patent Application
BATTERY CELL TEMPERATURE ESTIMATION USING BOTH CELL IMPEDANCE ESTIM...
Publication number
20230142690
Publication date
May 11, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Steven E. MULDOON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DYNAMICALLY RECONFIGURABLE BATTERY MANAGEMENT ARCHITECTURE
Publication number
20230148115
Publication date
May 11, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Steven E. MULDOON
B60 - VEHICLES IN GENERAL
Information
Patent Application
CURRENT OBSERVER FOR CURRENT REGULATOR OF VEHICLE ELECTRIC TRACTION...
Publication number
20230099460
Publication date
Mar 30, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Vinod Chowdary Peddi
B60 - VEHICLES IN GENERAL
Information
Patent Application
EFFICIENT BYPASS SWITCHES FOR DC/DC CONVERTER
Publication number
20230080123
Publication date
Mar 16, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Yusheng ZOU
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONTROLLING A DC-DC CONVERTER FOR DC CHARGING
Publication number
20230074825
Publication date
Mar 9, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Chandra S. Namuduri
B60 - VEHICLES IN GENERAL
Information
Patent Application
REDUCED CONTROL CYCLE CURRENT REGULATOR FOR VEHICLE ELECTRIC TRACTI...
Publication number
20230022957
Publication date
Jan 26, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Muhammad Hussain Alvi
B60 - VEHICLES IN GENERAL
Information
Patent Application
OPERATOR-SELECTED OPERATION OF ELECTRIC PROPULSION SYSTEM HAVING RE...
Publication number
20220355703
Publication date
Nov 10, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Alireza Fatemi
B60 - VEHICLES IN GENERAL
Information
Patent Application
CURRENT SOURCE INVERTER CONTROL SYSTEMS AND METHODS
Publication number
20220286072
Publication date
Sep 8, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Suresh GOPALAKRISHNAN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER