Patents by Inventor Friedhelm Stangenberg

Friedhelm Stangenberg 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).

  • Building made from concrete walls, in particular for nuclear plants
    Patent number: 4851184
    Abstract: A building, especially a nuclear plant, includes concrete walls enclosing components such as plant components as a protection against external action. The concrete walls have exposed locations, and the concrete walls have double-layered regions at the exposed locations with double layers defining hollow spaces therebetween. A damping material may fill the hollow space.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: July 25, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ruediger Danisch, Norbert Krutzik, Otto Schad, Wolfgang Zerna, Friedhelm Stangenberg