Patents by Inventor Wilhelm Spennemann

Wilhelm Spennemann 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).

  • Forklift truck
    Patent number: 6079935
    Abstract: A forklift truck has a frame, a cab including a roof to protect the driver and a lift support structure connected to the frame. A load-carrying fork is mounted on the lift support structure for vertical movement and the lift support structure, the roof and the frame are all welded together to form a single load-bearing assembly.
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: June 27, 2000
    Assignee: Linde Aktiengesellschaft
    Inventors: Norbert Brunner, Bernhard Gotz, Rudolf Mundkowski, Wilhelm Spennemann