Patents by Inventor Geoffrey M. Griffiths

Geoffrey M. Griffiths 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).

  • Decommissioned reactor vessel package and method of making same
    Patent number: 6087546
    Abstract: The container has inward lugs with vertical holes. The vessel is bolted to it using the closure-head-securing bolt holes. The method involves raising the reactor vessel inside a cylindrical shell using lifting studs in the vessel head-securing bolt holes to raise it and then securing the vessel by studs in other bolt holes to hold it to the lugs. The bottom wall is secured to the container shell and the clearance space between the vessel and the container is filled with concrete. The top wall is then secured on the container shell.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: July 11, 2000
    Inventors: Geoffrey M. Griffiths, James A. Fennema