Patents by Inventor Eckart Friesen

Eckart Friesen 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).

  • Cooling system for shipping casks
    Patent number: 4288997
    Abstract: Cooling system for containers for transporting heat-emitting parts from nuclear installations, including a closed loop connected to the container for carrying water and steam or water alone, the loop having disposed therein a heatable mixing condenser, a filter installation, a cooler, a pump, and valve-control means for controlling pressure and temperature in the loop.
    Type: Grant
    Filed: April 3, 1979
    Date of Patent: September 15, 1981
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Eckart Friesen, Hans P. Thogersen, Roland Kuhnel