TREA

Esko Lopperi

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  • Jyvaskyla, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid-flushed seal for rotating shaft with vacuum providing leakag...
    • Patent number 5,072,949
    • Issue date Dec 17, 1991
    • Safematic Ltd.
    • Esko Lopperi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slide ring seal
    • Patent number 4,773,655
    • Issue date Sep 27, 1988
    • Oy Safematic Ltd.
    • Markku Lummila
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slide-ring seal
    • Patent number 4,700,953
    • Issue date Oct 20, 1987
    • Oy Safematic Ltd.
    • Juhani Kuusela
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...