Patents by Inventor Stefan Ahner

Stefan Ahner 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).

  • Container combination for the transportation and storage of radioactive waste especially nuclear reactor fuel elements
    Patent number: 4330711
    Abstract: For the transportation and storage of irradiated nuclear fuel elements there are needed combinations of inner and outer containers wherein the inner container should be usable for the storage of the fuel elements in correspondingly conceived fuel element storehouses without reloading, unnecessary waste of space and burden of weight on the storage support.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: May 18, 1982
    Inventors: Stefan Ahner, Richard Christ, Dieter Klein, Peter Srostlik
  • Shielding container with neutron shielding for the transportation and/or storage of spent fuel elements
    Patent number: 4326130
    Abstract: There is provided a shielding container for the transportation and/or storage of spent fuel elements having a neutron shield on the outer container surface wherein the neutron shield is made of a series of hollow pieces made of a good heat conducting material and filled with neutron shielding material, the hollow pieces are joined together and provided with heat conducting fins and are fastened to the container surface.
    Type: Grant
    Filed: November 14, 1979
    Date of Patent: April 20, 1982
    Inventors: Stefan Ahner, Peter Srostlik, Helmut Schleich, Hans Diem
  • Cover construction for shielding containers for the storage and transporation of irradiated fuel elements
    Patent number: 4302680
    Abstract: There is provided a cover construction for a shielding container for the transportation and storage of fuel elements essentially consisting of an inner shielding cover and an outer transportation cover flanged on the cover, the inner shielding cover consisting of a fixed cover portion and a moveable cover portion provided at the rim of the cover with claws, whereby the claws are fitted into corresponding openings of the top of the container and the connection between the fixed cover portion and the moveable cover portion takes place through a screw carried into the moveable portion and a pin fitting into the fixed portion.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: November 24, 1981
    Assignee: Transnuklear GmbH
    Inventors: Stefan Ahner, Hans-Gunther Knackstedt, Peter Strostlik