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Jean Mathae

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  • Sandviken, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    On-load tap changer
    • Patent number 12,020,885
    • Issue date Jun 25, 2024
    • HITACHI ENERGY LTD
    • Jean Louis Gérard Mathae
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spring unit and a diverter switch
    • Patent number 11,508,535
    • Issue date Nov 22, 2022
    • Hitachi Energy Switzerland AG
    • Jean Mathae
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gearbox for a tap changer, a tap changer and a transformer
    • Patent number 9,127,751
    • Issue date Sep 8, 2015
    • ABB Research Ltd.
    • Jean Mathae
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tap changer
    • Patent number 8,963,670
    • Issue date Feb 24, 2015
    • ABB Technology Ltd.
    • Tommy Larsson
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents