Patents by Inventor Rolf Thomas

Rolf Thomas 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).

  • Mixer truck for shipping molten metals
    Patent number: 4069975
    Abstract: A mixer truck for shipping molten metals in an elongated, substantially cylindrical vessel, which has an end portion with a plurality of annular bearing rings extending therearound, comprises a truck body with a frame plate girder which is universally mounted on the body. The frame plate girder carries two spaced sets of rollers forming a rotational cradle support for each of the ring members on the cylindrical vessel. A drive motor, carried on the universally mounted frame plate girder, is connected to drive a sprocket wheel or gear extending around the vessel between the rings.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: January 24, 1978
    Assignee: Gutehoffnungshutte Sterkrade Aktiengesellschaft
    Inventors: Winfried Laubach, Kienbaum, Rolf Thomas