Patents by Inventor Udo Harer

Udo Harer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Overdrilling apparatus
    Patent number: 7963723
    Abstract: An apparatus for overdrilling a buried line includes a rotatably driven thrust linkage and/or traction linkage, and has a forward end which is connected to a ring-shaped to hollow cylindrical overdrilling head which embraces the line. The overdrilling head is provided interiorly with a centering protrusion for spontaneous centering of the overdrilling head in concert with the line.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: June 21, 2011
    Assignee: Tracto-Technik GmbH
    Inventors: Dieter Wurm, Hans-Joachim Bayer, Udo Harer
  • OVERDRILLING APPARATUS
    Publication number: 20070119283
    Abstract: An apparatus for overdrilling a buried line includes a rotatably driven thrust linkage and/or traction linkage, and has a forward end which is connected to a ring-shaped to hollow cylindrical overdrilling head which embraces the line. The overdrilling head is provided interiorly with a centering protrusion for spontaneous centering of the overdrilling head in concert with the line.
    Type: Application
    Filed: October 20, 2006
    Publication date: May 31, 2007
    Applicant: TRACTO-TECHNIK GmbH
    Inventors: DIETER WURM, Hans-Joachim Bayer, Udo Harer