TREA

Gerhard Sauer

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  • A-5412 Puch/Salzburg, AT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling device
    • Patent number 4,979,848
    • Issue date Dec 25, 1990
    • Gerhard Sauer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method of producing a subterranean structure
    • Patent number 4,648,743
    • Issue date Mar 10, 1987
    • Gerhard Sauer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING