TREA

Schertler; Siegfried

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  • Haag, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shutoff valve
    • Patent number 4,634,094
    • Issue date Jan 6, 1987
    • Schertler; Siegfried
    • Friedrich Geiser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing mechanism for high vacuum valve
    • Patent number 4,627,599
    • Issue date Dec 9, 1986
    • Schertler; Siegfried
    • Gerhard Ehmig
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vacuum gate valve
    • Patent number 4,560,141
    • Issue date Dec 24, 1985
    • Schertler; Siegfried
    • Hubert Bosch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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