Derek F. Lahr

Person

Howell, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Laminated thermal barrier for anisotropic heat transfer
- Patent number 12,199,253
- Issue date Jan 14, 2025
- GM Global Technology Operations LLC
- Derek F. Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bridgeless and webless rotor assembly using polymer composites
- Patent number 12,155,266
- Issue date Nov 26, 2024
- GM Global Technology Operations LLC
- Anthony Michael Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor for an electric machine, electric machine for a vehicle, and...
- Patent number 12,088,146
- Issue date Sep 10, 2024
- GM Global Technology Operations LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reinforced rotor for an electric machine
- Patent number 12,062,946
- Issue date Aug 13, 2024
- GM Global Technology Operations LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disconnected rotor web for increased reluctance
- Patent number 12,046,952
- Issue date Jul 23, 2024
- GM Global Technology Operations LLC
- Derek Frei Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor assembly with solid low friction layer and press-fit sleeve
- Patent number 11,916,446
- Issue date Feb 27, 2024
- GM Global Technology Operations LLC
- Anthony Michael Coppola
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Reinforced rotor for an electric machine
- Patent number 11,876,409
- Issue date Jan 16, 2024
- GM Global Technology Operations LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor core with load bearing polymer and insert
- Patent number 11,777,348
- Issue date Oct 3, 2023
- GM Global Technology Operations LLC
- Derek Frei Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery module housing cooling assembly
- Patent number 11,728,535
- Issue date Aug 15, 2023
- GM Global Technology Operations LLC
- Farzad Samie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Synchronous machine having hybrid rotor excitation
- Patent number 11,722,043
- Issue date Aug 8, 2023
- GM Global Technology Operations LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Carbon fiber composite drive unit housings for electric vehicles
- Patent number 11,713,803
- Issue date Aug 1, 2023
- GM Global Technology Operations LLC
- Anthony Michael Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Selectable one-way clutches with notch plate inserts for engine dis...
- Patent number 11,708,869
- Issue date Jul 25, 2023
- GM Global Technology Operations LLC
- Derek F. Lahr
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Preloading magnets in a rotor core
- Patent number 11,646,620
- Issue date May 9, 2023
- GM Global Technology Operations LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for heat-treating magnet web regions of a rotor
- Patent number 11,575,299
- Issue date Feb 7, 2023
- GM Global Technology Operations LLC
- Derek F. Lahr
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Inserts for motor rotor core
- Patent number 11,545,860
- Issue date Jan 3, 2023
- GM Global Technology Operations LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric machine with forced convection-based rotor cooling of roto...
- Patent number 11,476,733
- Issue date Oct 18, 2022
- GM Global Technology Operations LLC
- Farzad Samie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Expandable rotor
- Patent number 11,451,123
- Issue date Sep 20, 2022
- GM Global Technology Operations LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling a powertrain system
- Patent number 11,383,696
- Issue date Jul 12, 2022
- GM Global Technology Operations LLC
- Neeraj S. Shidore
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method to reduce oil shear drag in airgap
- Patent number 11,387,712
- Issue date Jul 12, 2022
- GM Global Technology Operations LLC
- Derek F. Lahr
- 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
Information Patent Grant
Reinforced stator housing for an electric motor
- Patent number 11,171,545
- Issue date Nov 9, 2021
- GM Global Technology Operations LLC
- Anthony M. Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor with compressive structural elements
- Patent number 11,133,724
- Issue date Sep 28, 2021
- GM Global Technology Operations LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric machine core with arcuate grain orientation
- Patent number 11,121,592
- Issue date Sep 14, 2021
- GM Global Technology Operations LLC
- Alireza Fatemi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axial flux machine with nutating rotor
- Patent number 11,088,607
- Issue date Aug 10, 2021
- GM Global Technology Operations LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hydrodynamic torque converters with integrated engine disconnect de...
- Patent number 11,009,124
- Issue date May 18, 2021
- GM Global Technology Operations LLC
- Dongxu Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vehicle powertrain variable vibration absorber assembly
- Patent number 10,955,025
- Issue date Mar 23, 2021
- GM Global Technology Operations LLC
- Derek F. Lahr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Continuously variable transmission with wedge actuation mechanism
- Patent number 10,941,840
- Issue date Mar 9, 2021
- GM Global Technology Operations LLC
- Jian Yao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical system with cycloidal electric machine
- Patent number 10,923,987
- Issue date Feb 16, 2021
- GM Global Technology Operations LLC
- Derek F. Lahr
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drivetrain for a hybrid propulsion system
- Patent number 10,913,344
- Issue date Feb 9, 2021
- GM Global Technology Operations LLC
- Farzad Samie
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Selectable one-way clutches with notch plate inserts for engine dis...
- Patent number 10,876,582
- Issue date Dec 29, 2020
- GM Global Technology Operations LLC
- Derek F. Lahr
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
THREE LAYERED BUBBLE SHEET COOLING PLATE
- Publication number 20250135523
- Publication date May 1, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Andrew Clay BOBEL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SYNCHRONOUS ELECTRIC MACHINE WITH RECONFIGURABLE ROTOR AND STATOR P...
- Publication number 20250132651
- Publication date Apr 24, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Peng Peng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSV...
- Publication number 20250096357
- Publication date Mar 20, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lu Huang
- B60 - VEHICLES IN GENERAL
Information Patent Application
BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM
- Publication number 20250087785
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhenwen Hu
- B60 - VEHICLES IN GENERAL
Information Patent Application
MECHANICALLY CONNECTED CELL-TO-CELL ENERGY STORAGE ARRAY
- Publication number 20250087801
- Publication date Mar 13, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULAR BATTERY CELL BLOCKS FOR MULTI-CELL ENERGY STORAGE SYSTEM
- Publication number 20250062475
- Publication date Feb 20, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INVERTED BATTERY PACK ASSEMBLY
- Publication number 20250010699
- Publication date Jan 9, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lu HUANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
PHYSICS BASED COOLANT FLOW ALGORITHM FOR ELECTRIC MOTORS
- Publication number 20240348126
- Publication date Oct 17, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Farzad Samie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THERMALLY RESILIENT BATTERY PACK
- Publication number 20240291063
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMALLY RESILIENT BATTERY PACK
- Publication number 20240291060
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STABILIZED CORE ASSEMBLY FOR CARBON FIBER SLEEVED ELECTRIC MOTOR ROTOR
- Publication number 20240250569
- Publication date Jul 25, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Anthony Michael Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BALANCED CURRENT COLLECTOR PLATE
- Publication number 20240186658
- Publication date Jun 6, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTOR ASSEMBLY WITH A COMPOSITE SLEEVE THAT IS OPTIMIZED FOR PRESS-...
- Publication number 20240146131
- Publication date May 2, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Anthony Michael Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DISCONNECTED ROTOR WEB FOR INCREASED RELUCTANCE
- Publication number 20230344287
- Publication date Oct 26, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTOR ASSEMBLY WITH SOLID LOW FRICTION LAYER AND PRESS-FIT SLEEVE
- Publication number 20230170772
- Publication date Jun 1, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Anthony Michael Coppola
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
BRIDGELESS AND WEBLESS ROTOR ASSEMBLY USING POLYMER COMPOSITES
- Publication number 20230170746
- Publication date Jun 1, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Anthony Michael Coppola
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LAMINATED THERMAL BARRIER FOR ANISOTROPIC HEAT TRANSFER
- Publication number 20230141131
- Publication date May 11, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. LAHR
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, AND...
- Publication number 20230070394
- Publication date Mar 9, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMPOSITE INSERTS FOR A ROTOR LAMINATION
- Publication number 20230053482
- Publication date Feb 23, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTOR CORE WITH LOAD BEARING POLYMER AND INSERT
- Publication number 20230045291
- Publication date Feb 9, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek Frei Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REINFORCED ROTOR FOR AN ELECTRIC MACHINE
- Publication number 20230018286
- Publication date Jan 19, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REINFORCED ROTOR FOR AN ELECTRIC MACHINE
- Publication number 20230017309
- Publication date Jan 19, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY MODULE HOUSING COOLING ASSEMBLY
- Publication number 20230017290
- Publication date Jan 19, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Farzad Samie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRELOADING MAGNETS IN A ROTOR CORE
- Publication number 20220337111
- Publication date Oct 20, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INSERTS FOR MOTOR ROTOR CORE
- Publication number 20220271583
- Publication date Aug 25, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. Lahr
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
EXPANDABLE ROTOR
- Publication number 20220140713
- Publication date May 5, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYNCHRONOUS MACHINE HAVING HYBRID ROTOR EXCITATION
- Publication number 20220103049
- Publication date Mar 31, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alireza Fatemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR HEAT-TREATING MAGNET WEB REGIONS OF A ROTOR
- Publication number 20210211025
- Publication date Jul 8, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Derek F. Lahr
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC MACHINE WITH IN-SLOT STATOR COOLING
- Publication number 20210143693
- Publication date May 13, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Thomas W. Nehl
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRIC MACHINE WITH FORCED CONVECTION-BASED ROTOR COOLING
- Publication number 20210135533
- Publication date May 6, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Farzad Samie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Derek F. Lahr

Person

Patents Grantslast 30 patents

Laminated thermal barrier for anisotropic heat transfer

Bridgeless and webless rotor assembly using polymer composites

Rotor for an electric machine, electric machine for a vehicle, and...

Reinforced rotor for an electric machine

Disconnected rotor web for increased reluctance

Rotor assembly with solid low friction layer and press-fit sleeve

Reinforced rotor for an electric machine

Rotor core with load bearing polymer and insert

Battery module housing cooling assembly

Synchronous machine having hybrid rotor excitation

Carbon fiber composite drive unit housings for electric vehicles

Selectable one-way clutches with notch plate inserts for engine dis...

Preloading magnets in a rotor core

Method for heat-treating magnet web regions of a rotor

Inserts for motor rotor core

Electric machine with forced convection-based rotor cooling of roto...

Expandable rotor

Method and apparatus for controlling a powertrain system

Method to reduce oil shear drag in airgap

Motor vehicle hybrid powertrain

Reinforced stator housing for an electric motor

Rotor with compressive structural elements

Electric machine core with arcuate grain orientation

Axial flux machine with nutating rotor

Hydrodynamic torque converters with integrated engine disconnect de...

Vehicle powertrain variable vibration absorber assembly

Continuously variable transmission with wedge actuation mechanism

Electrical system with cycloidal electric machine

Drivetrain for a hybrid propulsion system

Selectable one-way clutches with notch plate inserts for engine dis...

Patents Applicationslast 30 patents

THREE LAYERED BUBBLE SHEET COOLING PLATE

SYNCHRONOUS ELECTRIC MACHINE WITH RECONFIGURABLE ROTOR AND STATOR P...

MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSV...

BATTERY PACK HAVING AN INTEGRATED COOLING SYSTEM

MECHANICALLY CONNECTED CELL-TO-CELL ENERGY STORAGE ARRAY

MODULAR BATTERY CELL BLOCKS FOR MULTI-CELL ENERGY STORAGE SYSTEM

INVERTED BATTERY PACK ASSEMBLY

PHYSICS BASED COOLANT FLOW ALGORITHM FOR ELECTRIC MOTORS

THERMALLY RESILIENT BATTERY PACK

THERMALLY RESILIENT BATTERY PACK

STABILIZED CORE ASSEMBLY FOR CARBON FIBER SLEEVED ELECTRIC MOTOR ROTOR

BALANCED CURRENT COLLECTOR PLATE

ROTOR ASSEMBLY WITH A COMPOSITE SLEEVE THAT IS OPTIMIZED FOR PRESS-...

DISCONNECTED ROTOR WEB FOR INCREASED RELUCTANCE

ROTOR ASSEMBLY WITH SOLID LOW FRICTION LAYER AND PRESS-FIT SLEEVE

BRIDGELESS AND WEBLESS ROTOR ASSEMBLY USING POLYMER COMPOSITES

LAMINATED THERMAL BARRIER FOR ANISOTROPIC HEAT TRANSFER

ROTOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, AND...

COMPOSITE INSERTS FOR A ROTOR LAMINATION

ROTOR CORE WITH LOAD BEARING POLYMER AND INSERT

REINFORCED ROTOR FOR AN ELECTRIC MACHINE

REINFORCED ROTOR FOR AN ELECTRIC MACHINE

BATTERY MODULE HOUSING COOLING ASSEMBLY

PRELOADING MAGNETS IN A ROTOR CORE

INSERTS FOR MOTOR ROTOR CORE

EXPANDABLE ROTOR

SYNCHRONOUS MACHINE HAVING HYBRID ROTOR EXCITATION

METHOD FOR HEAT-TREATING MAGNET WEB REGIONS OF A ROTOR

ELECTRIC MACHINE WITH IN-SLOT STATOR COOLING

ELECTRIC MACHINE WITH FORCED CONVECTION-BASED ROTOR COOLING