John S. Agapiou

Person

Warren, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal connection system for a stator core of an axial flux electr...
- Patent number 12,244,178
- Issue date Mar 4, 2025
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method of making a cast induction rotor assembly having...
- Patent number 12,206,285
- Issue date Jan 21, 2025
- GM Global Technology Operations LLC
- Qigui Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Interlocking tool for forming stator winding end turns
- Patent number 12,184,131
- Issue date Dec 31, 2024
- GM Global Technology Operations LLC
- Mark A. Smith
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Optical inspection of stator slots
- Patent number 12,136,207
- Issue date Nov 5, 2024
- GM Global Technology Operations LLC
- John S. Agapiou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Casting die and method of mitigating entrained air in a cast article
- Patent number 12,121,960
- Issue date Oct 22, 2024
- GM Global Technology Operations LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Optical inspection of stator slots
- Patent number 12,126,225
- Issue date Oct 22, 2024
- GM Global Technology Operations LLC
- John S. Agapiou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detection of partial discharge
- Patent number 11,675,012
- Issue date Jun 13, 2023
- GM Global Technology Operations LLC
- Ronald M Lesperance
- G01 - MEASURING TESTING
Information Patent Grant
Induction motor with collar-reinforced end rings
- Patent number 11,552,541
- Issue date Jan 10, 2023
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Segmented stator laminations
- Patent number 11,545,880
- Issue date Jan 3, 2023
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric machine and method for manufacture
- Patent number 11,482,895
- Issue date Oct 25, 2022
- GM Global Technology Operations LLC
- Hongliang Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stator welding fixture system and method
- Patent number 11,342,820
- Issue date May 24, 2022
- GM Global Technology Operations LLC
- Hongliang Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Calibration standard for partial discharge measurement
- Patent number 11,131,739
- Issue date Sep 28, 2021
- GM Global Technology Operations LLC
- Ronald M. Lesperance
- G01 - MEASURING TESTING
Information Patent Grant
Modular stator
- Patent number 11,095,197
- Issue date Aug 17, 2021
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hybrid motor rotor casting apparatus and method
- Patent number 11,063,499
- Issue date Jul 13, 2021
- GM Global Technology Operations LLC
- John S. Agapiou
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing a stator
- Patent number 10,992,212
- Issue date Apr 27, 2021
- GM Global Technology Operations LLC
- John S. Agapiou
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of manufacturing an induction rotor
- Patent number 10,958,144
- Issue date Mar 23, 2021
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low porosity and consistent metallurgical bonding for hybrid motor...
- Patent number 10,879,752
- Issue date Dec 29, 2020
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor stator assembly with captured retention feature
- Patent number 10,707,718
- Issue date Jul 7, 2020
- GM Global Technology Operations LLC
- Arthur L. McGrew
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotor for an induction motor
- Patent number 10,630,151
- Issue date Apr 21, 2020
- GM Global Technology Operations LLC
- John S. Agapiou
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Surface roughening tool and method
- Patent number 10,612,119
- Issue date Apr 7, 2020
- GM Global Technology Operations LLC
- John S. Agapiou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Induction rotor and method of assembling an induction rotor
- Patent number 10,491,085
- Issue date Nov 26, 2019
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc welding/brazing process for low-heat input copper joining
- Patent number 10,213,878
- Issue date Feb 26, 2019
- GM Global Technology Operations LLC
- James G. Schroth
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lamination pack and method of forming same
- Patent number 10,164,508
- Issue date Dec 25, 2018
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for implementing compensation of global and local...
- Patent number 10,067,497
- Issue date Sep 4, 2018
- GM Global Technology Operations LLC
- Jie Gu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Rotor and method of forming
- Patent number 10,038,359
- Issue date Jul 31, 2018
- GM Global Technology Operations LLC
- Michael D. Hanna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Grinder adaptor assembly
- Patent number 9,969,053
- Issue date May 15, 2018
- GM Global Technology Operations LLC
- Jae Min Lee
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Rotor casting
- Patent number 9,973,067
- Issue date May 15, 2018
- GM Global Technology Operations LLC
- Michael D. Hanna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor and method of forming same
- Patent number 9,866,092
- Issue date Jan 9, 2018
- GM Global Technology Operations LLC
- Michael D. Hanna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Quick change adapter for grinding wheels
- Patent number 9,796,064
- Issue date Oct 24, 2017
- GM Global Technology Operations LLC
- Teresa U. Holiness-Stalling
- B24 - GRINDING POLISHING
Information Patent Grant
Lamination pack for skewed conductor bars and method of forming same
- Patent number 9,621,012
- Issue date Apr 11, 2017
- GM Global Technology Operations LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Skin Effect Enhanced High Conductive Composite Stator Winding Bundl...
- Publication number 20250158467
- Publication date May 15, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Yi Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INDUCTION ROTOR ASSEMBLY
- Publication number 20250158498
- Publication date May 15, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR AIR GAP AND ECCENTRICITY DETECTION FOR ELEC...
- Publication number 20250130130
- Publication date Apr 24, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. AGAPIOU
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF IMPROVING LAMINATION STACK FLATNESS AND CONCENTRICITY
- Publication number 20250070628
- Publication date Feb 27, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. AGAPIOU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTATABLE STATOR SENSOR DEVICE
- Publication number 20250070624
- Publication date Feb 27, 2025
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. AGAPIOU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD OF MAKING A CAST INDUCTION ROTOR ASSEMBLY HAVING...
- Publication number 20240291332
- Publication date Aug 29, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD OF MAKING AN ELECTRIC CONDUCTOR HAVING A CONDUCTI...
- Publication number 20240257996
- Publication date Aug 1, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRIC MOTOR USING ULTRA-CONDUCTING COPPER
- Publication number 20240250570
- Publication date Jul 25, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lei HAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD TO PRODUCE ELECTRIC MOTOR CONDUCTOR WIRES FOR HIGH FREQUENCY
- Publication number 20240250590
- Publication date Jul 25, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. AGAPIOU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SYSTEMS AND METHODS FOR WELDING MOTOR STATOR HAIRPIN WIRES
- Publication number 20240217027
- Publication date Jul 4, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Chen ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEMS AND METHODS FOR TESTING PARTIAL DISCHARGE DURING THE LEAKAG...
- Publication number 20240125840
- Publication date Apr 18, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR STATOR ALIGNMENT TO THE MOTOR HOUSING
- Publication number 20240055961
- Publication date Feb 15, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. AGAPIOU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THERMAL CONNECTION SYSTEM FOR A STATOR CORE OF AN AXIAL FLUX ELECTR...
- Publication number 20240014699
- Publication date Jan 11, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OPTICAL INSPECTION OF STATOR SLOTS
- Publication number 20230289953
- Publication date Sep 14, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL INSPECTION OF STATOR SLOTS
- Publication number 20230291284
- Publication date Sep 14, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERLOCKING TOOL FOR FORMING STATOR WINDING END TURNS
- Publication number 20230275494
- Publication date Aug 31, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Mark A. Smith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETECTION OF PARTIAL DISCHARGE
- Publication number 20230115294
- Publication date Apr 13, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ronald M. Lesperance
- G01 - MEASURING TESTING
Information Patent Application
INDUCTION MOTOR WITH COLLAR-REINFORCED END RINGS
- Publication number 20220231587
- Publication date Jul 21, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEGMENTED STATOR LAMINATIONS
- Publication number 20220131450
- Publication date Apr 28, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC MACHINE AND METHOD FOR MANUFACTURE
- Publication number 20220052569
- Publication date Feb 17, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Hongliang Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR MULTI-TASK LASER WELDING
- Publication number 20210031297
- Publication date Feb 4, 2021
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Hongliang Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HYBRID MOTOR ROTOR CASTING APPARATUS AND METHOD
- Publication number 20200366170
- Publication date Nov 19, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CALIBRATION STANDARD FOR PARTIAL DISCHARGE MEASUREMENT
- Publication number 20200355776
- Publication date Nov 12, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ronald M. Lesperance
- G01 - MEASURING TESTING
Information Patent Application
LOW POROSITY AND CONSISTENT METALLURGICAL BONDING FOR HYBRID MOTOR...
- Publication number 20200287429
- Publication date Sep 10, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF MANUFACTURING A STATOR
- Publication number 20200136481
- Publication date Apr 30, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- B60 - VEHICLES IN GENERAL
Information Patent Application
MODULAR STATOR
- Publication number 20200136482
- Publication date Apr 30, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF MANUFACTURING AN INDUCTION ROTOR
- Publication number 20200099280
- Publication date Mar 26, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTOR FOR AN INDUCTION MOTOR
- Publication number 20190006920
- Publication date Jan 3, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- John S. Agapiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STATOR ASSEMBLY FOR AN ELECTRIC MOTOR
- Publication number 20180248439
- Publication date Aug 30, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Arthur L. McGrew
- B60 - VEHICLES IN GENERAL
Information Patent Application
ROTOR AND METHOD OF FORMING
- Publication number 20180183308
- Publication date Jun 28, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Michael D. Hanna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

John S. Agapiou

Person

Patents Grantslast 30 patents

Thermal connection system for a stator core of an axial flux electr...

System and method of making a cast induction rotor assembly having...

Interlocking tool for forming stator winding end turns

Optical inspection of stator slots

Casting die and method of mitigating entrained air in a cast article

Optical inspection of stator slots

Detection of partial discharge

Induction motor with collar-reinforced end rings

Segmented stator laminations

Electric machine and method for manufacture

Stator welding fixture system and method

Calibration standard for partial discharge measurement

Modular stator

Hybrid motor rotor casting apparatus and method

Method of manufacturing a stator

Method of manufacturing an induction rotor

Low porosity and consistent metallurgical bonding for hybrid motor...

Electric motor stator assembly with captured retention feature

Rotor for an induction motor

Surface roughening tool and method

Induction rotor and method of assembling an induction rotor

Arc welding/brazing process for low-heat input copper joining

Lamination pack and method of forming same

System and method for implementing compensation of global and local...

Rotor and method of forming

Grinder adaptor assembly

Rotor casting

Rotor and method of forming same

Quick change adapter for grinding wheels

Lamination pack for skewed conductor bars and method of forming same

Patents Applicationslast 30 patents

Skin Effect Enhanced High Conductive Composite Stator Winding Bundl...

INDUCTION ROTOR ASSEMBLY

SYSTEMS AND METHODS FOR AIR GAP AND ECCENTRICITY DETECTION FOR ELEC...

METHOD OF IMPROVING LAMINATION STACK FLATNESS AND CONCENTRICITY

ROTATABLE STATOR SENSOR DEVICE

SYSTEM AND METHOD OF MAKING A CAST INDUCTION ROTOR ASSEMBLY HAVING...

SYSTEM AND METHOD OF MAKING AN ELECTRIC CONDUCTOR HAVING A CONDUCTI...

ELECTRIC MOTOR USING ULTRA-CONDUCTING COPPER

METHOD TO PRODUCE ELECTRIC MOTOR CONDUCTOR WIRES FOR HIGH FREQUENCY

SYSTEMS AND METHODS FOR WELDING MOTOR STATOR HAIRPIN WIRES

SYSTEMS AND METHODS FOR TESTING PARTIAL DISCHARGE DURING THE LEAKAG...

METHOD FOR STATOR ALIGNMENT TO THE MOTOR HOUSING

THERMAL CONNECTION SYSTEM FOR A STATOR CORE OF AN AXIAL FLUX ELECTR...

OPTICAL INSPECTION OF STATOR SLOTS

OPTICAL INSPECTION OF STATOR SLOTS

INTERLOCKING TOOL FOR FORMING STATOR WINDING END TURNS

DETECTION OF PARTIAL DISCHARGE

INDUCTION MOTOR WITH COLLAR-REINFORCED END RINGS

SEGMENTED STATOR LAMINATIONS

ELECTRIC MACHINE AND METHOD FOR MANUFACTURE

SYSTEM AND METHOD FOR MULTI-TASK LASER WELDING

HYBRID MOTOR ROTOR CASTING APPARATUS AND METHOD

CALIBRATION STANDARD FOR PARTIAL DISCHARGE MEASUREMENT

LOW POROSITY AND CONSISTENT METALLURGICAL BONDING FOR HYBRID MOTOR...

METHOD OF MANUFACTURING A STATOR

MODULAR STATOR

METHOD OF MANUFACTURING AN INDUCTION ROTOR

ROTOR FOR AN INDUCTION MOTOR

STATOR ASSEMBLY FOR AN ELECTRIC MOTOR

ROTOR AND METHOD OF FORMING