TREA

Achim L. Kehrberger

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  • D-7302 Ostfildern, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill with motor drive and feed
    • Patent number 6,029,754
    • Issue date Feb 29, 2000
    • Delmag Maschinenfabrik Reinhold Dornfeld GmbH & Co.
    • Hinrich Kattentidt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Boring tool
    • Patent number 5,762,148
    • Issue date Jun 9, 1998
    • Delmag-Maschinenfabrik Reinhold Dornfeld GmbH & Co.
    • Hinrich Kattentidt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill machine table
    • Patent number 5,350,027
    • Issue date Sep 27, 1994
    • Delmag-Maschinenfabrik Reinhold Dornfeld GmbH & Co.
    • Magnus Mauch
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic drive with fluid cooling by-pass line
    • Patent number 5,072,584
    • Issue date Dec 17, 1991
    • Magnus Mauch
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic pile driver
    • Patent number 4,817,733
    • Issue date Apr 4, 1989
    • Delmag Maschinenfabrik Reinhold Dornfeld GmbH & Co.
    • Rudolf Hennecke
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING