Patents by Inventor Viktor Klein

Viktor Klein 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).

  • CONCRETE SLEEPER AND METHOD FOR PRODUCING THE SAME
    Publication number: 20100181699
    Abstract: Method of manufacturing a concrete sleeper, comprising the following steps: insertion of pre-stressing rods into a sleeper mould, simultaneous automated tensioning of the individual pre-stressing rods, filling of the sleeper mould with concrete, leaving of the concrete to harden, removal of the concrete sleeper from the mould, wherein for one concrete sleeper more than four, in particular five to eight, pre-stressing rods are used and the pre-stressing rods are tensioned individually yet simultaneously.
    Type: Application
    Filed: January 3, 2008
    Publication date: July 22, 2010
    Applicant: RAIL.ONE GMBH
    Inventors: Stephan Freudenstein, Viktor Klein, Franz Geissler