Patents by Inventor Stefan Karch

Stefan Karch 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).

  • Publication number: 20090074556
    Abstract: In one embodiment of the present invention, a method and device are disclosed for the transport of goods by rail, wherein goods wagons are used with independent propulsion means. The propulsion means for the goods wagons are used only for short journeys from a station to a customer and back. For long journeys the goods wagons are assembled into a train and pulled by a tractor vehicle.
    Type: Application
    Filed: November 24, 2006
    Publication date: March 19, 2009
    Inventors: Dirk Abel, Martin Baier, Arne Berger, Torsten Dellmann, Manfred Enning, Rolf Hellinger, Stefan Karch, Winfried Mahr