Inventor · disambiguated record
John S. Agapiou
Also filed as: AGAPIOU JOHN S · AGAPIOU JOHN STILIANOS
58 granted patents·16 pending applications·409 citations·filing 1991–2024
98Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC45GM GLOBAL TECH OPERATIONS INC7GEN MOTORS CORP6AGAPIOU JOHN S5KLEBER RICHARD M3
Top patents by PatentIndex Score
74 records- 0197US6644637B1Reconfigurable workholding fixtureGEN MOTORS CORP·Filed 2002·Granted Nov 11, 2003·112 cites·11 claims
- 0296US9621012B2Lamination pack for skewed conductor bars and method of forming sameGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Apr 11, 2017·10 cites·20 claims
- 0395US11675012B2Detection of partial dischargeGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Jun 13, 2023·3 cites·20 claims
- 0493US11545880B2Segmented stator laminationsGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Jan 3, 2023·2 cites·13 claims
- 0592US10213878B2Arc welding/brazing process for low-heat input copper joiningGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Feb 26, 2019·6 cites·20 claims
- 0692US8436506B2Electric motor assemblies and systems and methods associated with joining wires of electric motor assembliesWANG PEI-CHUNG·Filed 2010·Granted May 7, 2013·12 cites·19 claims
- 0791US11342820B1Stator welding fixture system and methodGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted May 24, 2022·2 cites·20 claims
- 0890US10038359B2Rotor and method of formingGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jul 31, 2018·1 cites·11 claims
- 0988US9796064B2Quick change adapter for grinding wheelsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Oct 24, 2017·5 cites·19 claims
- 1087US8054460B2Methodology for evaluating the start and profile of a thread with a vision-based systemGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Nov 8, 2011·22 cites·19 claims
- 1186US9866092B2Rotor and method of forming sameGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jan 9, 2018·6 cites·12 claims
- 1285US9046577B2Corona and partial discharge diagnostic device and method for using the sameAGAPIOU JOHN S·Filed 2011·Granted Jun 2, 2015·8 cites·19 claims
- 1383US9973067B2Rotor castingGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 15, 2018·2 cites·11 claims
- 1482US10630151B2Rotor for an induction motorGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Apr 21, 2020·2 cites·20 claims
- 1581US8499438B2Systems and methods for joining wires of a motor statorAGAPIOU JOHN S·Filed 2011·Granted Aug 6, 2013·5 cites·14 claims
- 1681US6877729B2Reconfigurable workholding fixtureGEN MOTORS CORP·Filed 2003·Granted Apr 12, 2005·21 cites·15 claims
- 1780US7209799B2Predictive modeling of machining line variationGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Apr 24, 2007·8 cites·20 claims
- 1880US5173014AFour flute center cutting drillGEN MOTORS CORP·Filed 1992·Granted Dec 22, 1992·52 cites·2 claims
- 1979US10491085B2Induction rotor and method of assembling an induction rotorGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Nov 26, 2019·2 cites·8 claims
- 2079US7570794B2System and method for evaluating a machined surface of a cast metal componentGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 4, 2009·16 cites·17 claims
- 2179US5236291AMulti-tooth drill with improved chisel edgeGEN MOTORS CORP·Filed 1992·Granted Aug 17, 1993·43 cites·3 claims
- 2278US9083221B2Rotor assembly with integral cast conductor bars and first end rings and welded second end rings and method of manufacturing sameKLEBER RICHARD M·Filed 2011·Granted Jul 14, 2015·4 cites·12 claims
- 2377US10879752B2Low porosity and consistent metallurgical bonding for hybrid motor rotorsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Dec 29, 2020·1 cites·14 claims
- 2477US9397539B2Method for fabricating a rotor for an induction motorKLEBER RICHARD M·Filed 2010·Granted Jul 19, 2016·4 cites·16 claims
- 2577US9350217B2Rotor and method of forming sameAGAPIOU JOHN S·Filed 2011·Granted May 24, 2016·4 cites·9 claims
- 2676US11063499B2Hybrid motor rotor casting apparatus and methodGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jul 13, 2021·1 cites·20 claims
- 2776US10992212B2Method of manufacturing a statorGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Apr 27, 2021·1 cites·8 claims
- 2876US10958144B2Method of manufacturing an induction rotorGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Mar 23, 2021·1 cites·15 claims
- 2975US10067497B2System and method for implementing compensation of global and local offsets in computer controlled systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 4, 2018·2 cites·11 claims
- 3074US12451768B2Rotatable stator sensor deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Oct 21, 2025·0 cites·20 claims
- 3174US8910371B2Method for fabricating an induction rotorKLEBER RICHARD M·Filed 2011·Granted Dec 16, 2014·3 cites·15 claims
- 3273US11131739B2Calibration standard for partial discharge measurementGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Sep 28, 2021·1 cites·19 claims
- 3372US12121960B1Casting die and method of mitigating entrained air in a cast articleGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Granted Oct 22, 2024·0 cites·19 claims
- 3470US12416673B2Systems and methods for testing partial discharge during the leakage and/or surge tests for electric machinesGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Sep 16, 2025·0 cites·18 claims
- 3568US12244178B2Thermal connection system for a stator core of an axial flux electric motorGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Mar 4, 2025·0 cites·9 claims
- 3667US12206285B2System and method of making a cast induction rotor assembly having conductive barsGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Jan 21, 2025·0 cites·20 claims
- 3767US8577495B2Automatic calibration and compensation for a CNC machine table and an associated probeGU JIE·Filed 2010·Granted Nov 5, 2013·2 cites·14 claims
- 3866US12136207B2Optical inspection of stator slotsGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Nov 5, 2024·0 cites·14 claims
- 3966US10707718B2Electric motor stator assembly with captured retention featureGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 7, 2020·1 cites·4 claims
- 4065US12184131B2Interlocking tool for forming stator winding end turnsGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Dec 31, 2024·0 cites·20 claims
- 4165US7899573B2Non-contact method and system for inspecting a multi-faceted machine surfaceGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Mar 1, 2011·3 cites·19 claims
- 4264US9969053B2Grinder adaptor assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 15, 2018·1 cites·20 claims
- 4364US9482710B2Inspection system for evaluating electrical parts for unwanted partial dischargeGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Nov 1, 2016·2 cites·17 claims
- 4463US10164508B2Lamination pack and method of forming sameGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 25, 2018·0 cites·20 claims
- 4563US2025158498A1Induction rotor assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 4662US11482895B2Electric machine and method for manufactureGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Oct 25, 2022·0 cites·20 claims
- 4762US7398179B2Part measurement prioritization system and methodGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 8, 2008·5 cites·20 claims
- 4861US8761920B2Automatic probing, compensation, and adjustment of a flexible fixture for a CNC machineGU JIE·Filed 2011·Granted Jun 24, 2014·1 cites·13 claims
- 4960US2024250570A1Electric motor using ultra-conducting copperGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 5059US11552541B2Induction motor with collar-reinforced end ringsGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Jan 10, 2023·0 cites·20 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →