Patents Assigned to Meyer Rohr & Schacht GmbH
  • Driving pipe and method for the construction of an essentially horizontal pipeline
    Patent number: 6561732
    Abstract: A driving pipe and method for the construction of an essentially horizontal pipeline, whose wall is made at least primarily of concrete polymer. At least sections of the wall of the concrete polymer pipe are made of a liquid-permeable filter material consisting of polymer-bound, gravel-like particles.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: May 13, 2003
    Assignee: Meyer Rohr & Schacht GmbH
    Inventors: Thomas D. Bloomfield, Michael Welzel