Inventor · disambiguated record
J. Michael Gwidt
Also filed as: GWIDT J MICHAEL
23 granted patents·1 pending application·45 citations·filing 2012–2024
91Inventor score
Top patents by PatentIndex Score
24 records- 0191US9650981B1Adjustment of measured oxygen storage capacity based on upstream O2 sensor performanceGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 16, 2017·25 cites·20 claims
- 0289US11661902B1Port-direct injection engine systems and methods using ethanol-gasoline fuelsGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted May 30, 2023·3 cites·20 claims
- 0387US11686264B1Scavenging for particulate filter regenerationGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Jun 27, 2023·1 cites·17 claims
- 0483US10823101B1System and method for learning an injector compensationGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Nov 3, 2020·3 cites·19 claims
- 0582US12384218B1Smart vehicle systems and control logic with tire change modes for vehicles with adjustable ride height suspensionsGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Granted Aug 12, 2025·1 cites·20 claims
- 0679US8973429B2System and method for detecting stochastic pre-ignitionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 10, 2015·4 cites·20 claims
- 0778US10001073B2Systems and methods for multiple catalyst light off events during drive cycleGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jun 19, 2018·4 cites·16 claims
- 0876US11466641B1Modifying PFI to DI ratio to mitigate engine knockingGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Oct 11, 2022·1 cites·15 claims
- 0970US11852089B1Systems and methods for improved catalytic converter performance during cold startsGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Dec 26, 2023·0 cites·20 claims
- 1066US12140098B1Systems and methods for service regeneration of a particulate filterGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
- 1165US9057339B2Stochastic pre-ignition mitigation systemGWIDT J MICHAEL·Filed 2012·Granted Jun 16, 2015·3 cites·18 claims
- 1264US11754013B1Enhanced minimum mass limit for direct injection enginesGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Sep 12, 2023·0 cites·17 claims
- 1362US11578677B1Method and system for diagnosing cold start emission reductionGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Feb 14, 2023·0 cites·20 claims
- 1460US12281622B1Fuel control system for internal combustion engine having multiple injection systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Granted Apr 22, 2025·0 cites·18 claims
- 1558US11614042B1Compression ratio methods and systems for particulate filter regenerationGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Mar 28, 2023·0 cites·20 claims
- 1656US2025249888A1Hybrid vehicle systems and methods for controlling torque and diagnosing torque constraintsGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1755US12140092B1Methods and systems for controlling fuel injectionGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
- 1855US11668259B1Port-direct injection engine methods and systems optimizing fuel economy with particulate controlGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 1952US9115684B2Engine startup control systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Aug 25, 2015·0 cites·20 claims
- 2050US11773791B1Multi-pulse fuel injection systems and control logic for port fuel injection pulse monitoring in engine assembliesGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 2149US9217386B2System and method for preventing stochastic pre-ignitionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 22, 2015·0 cites·20 claims
- 2248US9376975B2Stochastic pre-ignition prediction and mitigation systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jun 28, 2016·0 cites·20 claims
- 2346US12122354B2Method and system for controlling cold start emission reductionGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Oct 22, 2024·0 cites·20 claims
- 2445US11852091B1Idle mode for engines with port fueld injection (PFI) and direct injection (DI) fuel systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Dec 26, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →