TREA

Frans Pieter Drijver

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  • Eze sur Mer, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing system--anti collapse device
    • Patent number 5,860,680
    • Issue date Jan 19, 1999
    • Single Buoy Moorings Inc.
    • Frans Pieter Drijver
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sealing sytem--anti collapse device
    • Patent number 5,720,503
    • Issue date Feb 24, 1998
    • Single Buoy Moorings Inc.
    • Frans Pieter Drijver
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sealing element
    • Patent number 5,630,591
    • Issue date May 20, 1997
    • Single Buoy Moorings Inc.
    • Frans P. Drijver
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...