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Johan A. Friedericy

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  • Palos Verdes Estates, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Layered flywheel with stress reducing construction
    • Patent number 4,481,840
    • Issue date Nov 13, 1984
    • The United States of America as represented by the United States Department o...
    • Johan A. Friedericy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite material flywheel hub
    • Patent number 4,458,400
    • Issue date Jul 10, 1984
    • The Garrett Corporation
    • Johan A. Friedericy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite material flywheel hub
    • Patent number 4,286,475
    • Issue date Sep 1, 1981
    • The Garrett Corporation
    • Johan A. Friedericy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Heat exchanger construction
    • Patent number 4,253,520
    • Issue date Mar 3, 1981
    • The Garrett Corporation
    • Johan A. Friedericy
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Multi-rim flywheel attachment
    • Patent number 4,186,623
    • Issue date Feb 5, 1980
    • The Garrett Corporation
    • Johan A. Friedericy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-rim flywheel
    • Patent number 4,036,080
    • Issue date Jul 19, 1977
    • The Garrett Corporation
    • Johan A. Friedericy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...