Patents by Inventor Bernhard Kalden

Bernhard Kalden 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).

  • Roof reflector for a gas-cooled pebble-bed reactor and process for the disassembly of the roof reflector
    Patent number: 4290852
    Abstract: The invention concerns a roof reflector suspended from the thermal cover shield of a gas-cooled pebble-bed reactor with a plurality of passages for absorber rods arranged in a triangular lattice, and with channels for the passage of the cooling gas. The roof reflector comprises a plurality of essentially hexagonal graphite blocks arranged in several layers to form vertical, closely-adjacent columns. A process for the disassembly of the roof reflector is further provided.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: September 22, 1981
    Assignee: Hochtemperatur-Reaktorbau GmbH
    Inventors: Rolf Fritz, Bernhard Kalden, Karl-Friedrich Kissel