Patents by Inventor John Andrew Weissenfluh

John Andrew Weissenfluh 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).

  • Radiation shield for nuclear reactors
    Patent number: 4090087
    Abstract: A shield for use with nuclear reactor systems to attenuate radiation resulting from reactor operation. The shield comprises a container preferably of a thin, flexible or elastic material, which may be in the form of a bag, a mattress, a toroidal segment or toroid or the like filled with radiation attenuating liquid. Means are provided in the container for filling and draining the container in place. Due to its flexibility, the shield readily conforms to irregularities in surfaces with which it may be in contact in a shielding position.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: May 16, 1978
    Inventor: John Andrew Weissenfluh