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Rochester Hills, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Propulsion system with rotor position estimation based on voltage s...
Patent number
11,872,893
Issue date
Jan 16, 2024
GM Global Technology Operations LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for controlling a multi-mode powertrain system...
Patent number
11,752,878
Issue date
Sep 12, 2023
GM Global Technology Operations LLC
Min-Joong Kim
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Bandwidth-partitioning harmonic regulation for improved acoustic be...
Patent number
11,611,305
Issue date
Mar 21, 2023
GM Global Technology Operations LLC
Vinod Chowdary Peddi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for minimizing demagnetization in rotor magnets
Patent number
11,611,304
Issue date
Mar 21, 2023
GM Global Technology Operations LLC
Jeffrey S. Piasecki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Inductance-based estimation of rotor magnet temperature
Patent number
11,387,757
Issue date
Jul 12, 2022
GM Global Technology Operations LLC
Daniel J. Berry
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for controlling operation of a permanent magne...
Patent number
11,264,936
Issue date
Mar 1, 2022
GM Global Technology Operations LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for monitoring a resolver
Patent number
11,209,291
Issue date
Dec 28, 2021
GM Global Technology Operations LLC
Young Joo Lee
G01 - MEASURING TESTING
Information
Patent Grant
Electric motor in propulsion system with auxiliary power generation
Patent number
11,095,240
Issue date
Aug 17, 2021
GM Global Technology Operations LLC
Siddharth Ballal
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for motor and inverter temperature control
Patent number
10,700,632
Issue date
Jun 30, 2020
GM Global Technology Operations LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Flux observer-based control strategy for an induction motor
Patent number
10,658,963
Issue date
May 19, 2020
GM Global Technology Operations LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensor-less control of an electric motor
Patent number
10,601,348
Issue date
Mar 24, 2020
GM Global Technology Operations LLC
David S. Ochs
G01 - MEASURING TESTING
Information
Patent Grant
Methods and systems for determining when to apply an adaptative the...
Patent number
10,461,678
Issue date
Oct 29, 2019
GM Global Technology Operations LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for torque control systems and methods based on rotor temper...
Patent number
10,333,448
Issue date
Jun 25, 2019
GM Global Technology Operations LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Apparatus and method for monitoring magnet flux degradation of a pe...
Patent number
10,295,599
Issue date
May 21, 2019
GM Global Technology Operations LLC
Gilsu Choi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and system for pulse width modulation
Patent number
10,164,562
Issue date
Dec 25, 2018
GM Global Technology Operations LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control of six step pulse width modulation with flux weakening
Patent number
9,973,120
Issue date
May 15, 2018
GM Global Technology Operations LLC
Dwarakanath V. Simili
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
METHODS, SYSTEMS, AND VEHICLES CONFIGURED FOR DETERMINING A STATOR...
Publication number
20250112582
Publication date
Apr 3, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Application
SENSORLESS BACKUP FOR MOTOR SPEED AND POSITION
Publication number
20230347744
Publication date
Nov 2, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Michael Duncan Swartz
B60 - VEHICLES IN GENERAL
Information
Patent Application
PROPULSION SYSTEM WITH ROTOR POSITION ESTIMATION BASED ON VOLTAGE S...
Publication number
20230331094
Publication date
Oct 19, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Application
BANDWIDTH-PARTITIONING HARMONIC REGULATION FOR IMPROVED ACOUSTIC BE...
Publication number
20220131490
Publication date
Apr 28, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Vinod Chowdary Peddi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING A MULTI-MODE POWERTRAIN SYSTEM...
Publication number
20220097531
Publication date
Mar 31, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Min-Joong Kim
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING OPERATION OF A PERMANENT MAGNE...
Publication number
20210099123
Publication date
Apr 1, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INDUCTANCE-BASED ESTIMATION OF ROTOR MAGNET TEMPERATURE
Publication number
20210067075
Publication date
Mar 4, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Daniel J. Berry
B60 - VEHICLES IN GENERAL
Information
Patent Application
ELECTRIC MOTOR IN PROPULSION SYSTEM WITH AUXILIARY POWER GENERATION
Publication number
20210021219
Publication date
Jan 21, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Siddharth Ballal
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR MONITORING A RESOLVER
Publication number
20210010832
Publication date
Jan 14, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Young Joo Lee
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF CONTROLLING CURRENT IN AN INTERIOR PERMANENT MAGNET MOTOR...
Publication number
20200313586
Publication date
Oct 1, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Suresh Gopalakrishnan
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR MOTOR AND INVERTER TEMPERATURE CONTROL
Publication number
20200228049
Publication date
Jul 16, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Application
MOTOR CONTROL SYSTEMS AND METHODS OF VEHICLES FOR FIELD WEAKENING
Publication number
20200114900
Publication date
Apr 16, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Kibok LEE
B60 - VEHICLES IN GENERAL
Information
Patent Application
FLUX OBSERVER-BASED CONTROL STRATEGY FOR AN INDUCTION MOTOR
Publication number
20200119680
Publication date
Apr 16, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM AND METHOD FOR CONTROLLING AN INDUCTION MOTOR
Publication number
20200119676
Publication date
Apr 16, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Siddharth Ballal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHODS AND SYSTEMS FOR DETERMINING WHEN TO APPLY AN ADAPTATIVE THE...
Publication number
20190288625
Publication date
Sep 19, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
B60 - VEHICLES IN GENERAL
Information
Patent Application
SENSOR-LESS CONTROL OF AN ELECTRIC MOTOR
Publication number
20190229653
Publication date
Jul 25, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
David S. OCHS
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHOD FOR MONITORING MAGNET FLUX DEGRADATION OF A PE...
Publication number
20190049517
Publication date
Feb 14, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Gilsu Choi
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD AND SYSTEM FOR PULSE WIDTH MODULATION
Publication number
20180302018
Publication date
Oct 18, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno Yoo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR TORQUE CONTROL SYSTEMS AND METHODS BASED ON ROTOR TEMPER...
Publication number
20180294756
Publication date
Oct 11, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Anno YOO
B60 - VEHICLES IN GENERAL