TREA

Eric J. Defenderfer

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  • Brighton, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for determining optimum skip fire firing profile
    • Patent number 10,941,722
    • Issue date Mar 9, 2021
    • Tula Technology, Inc.
    • Mark A. Shost
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for determining optimum skip fire firing profile
    • Patent number 10,247,121
    • Issue date Apr 2, 2019
    • Tula Technology, Inc.
    • Mark A. Shost
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Driveshaft with two-stage stiffness
    • Patent number 10,054,167
    • Issue date Aug 21, 2018
    • GM Global Technology Operations LLC
    • Paul A. Piorkowski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Driveshaft with two-stage stiffness
    • Patent number 9,416,815
    • Issue date Aug 16, 2016
    • GM Global Technology Operations LLC
    • Michael J. Grimmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine motion active control
    • Patent number 7,225,783
    • Issue date Jun 5, 2007
    • GM Global Technology Operations, Inc.
    • Frederick P. Hohnstadt
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents