Patents by Inventor René Donnard

René Donnard 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).

  • Modular track section for urban transport vehicle in particular self-steering on tyres
    Patent number: 7562629
    Abstract: A track section (1) having a framework (2) with two hollow profiled structure boxes (3) open at the top, with substantially rectangular or trapezoid cross-section, maintained parallel and connected by cross members (16) which support a rail (17) for guiding the vehicle. The profiled structure boxes are closed by linear plates acting as running track (8) for the wheels of the vehicle. The inner space (7) provides passage for electrical cables powering the vehicle and/or signaling. The factory prefabricated track sections are ready to be laid on an existing road surface or in a trench with simply compacted base.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: July 21, 2009
    Assignee: Lohr Industrie
    Inventors: Robert Lohr, René Donnard