Patents by Inventor Karl B. Rietmann

Karl B. Rietmann 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).

  • Tensioning device for sliding gates
    Patent number: 4752017
    Abstract: A tensioning device for a sliding gate on the nozzle of a metallurgical vessel includes for the spring mounting of the tensioning device between a gate housing and a housing cover by means of clamping units that connect such two members and that are hinged, to the housing and cross under housing cover 30 bending springs as hinging shafts for clamping units. This results in a simple construction of the tensioning device due to the two modes of operation of the bending springs.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: June 21, 1988
    Assignee: Stopinc Aktiengesellschaft
    Inventors: Beat Troxler, Karl B. Rietmann