TREA

Dieter Kassel

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  • Ronnenberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing assembly for tunnel construction sections
    • Patent number 6,592,296
    • Issue date Jul 15, 2003
    • Phoenix
    • Holger Gutschmidt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sealing arrangement
    • Patent number 6,575,664
    • Issue date Jun 10, 2003
    • Phoenix AG
    • Dieter Kassel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 6,434,904
    • Issue date Aug 20, 2002
    • Phoenix Aktiengesellschaft
    • Holger Gutschmidt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sealing arrangement for tunnel segments
    • Patent number 6,267,536
    • Issue date Jul 31, 2001
    • Phoenix Aktiengesellschaft
    • Junn Adachi
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents