Patents by Inventor William R. C. Graham

William R. C. Graham 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).

  • Heavy water production process and apparatus
    Patent number: 6858190
    Abstract: A hybrid BHW-CIRCE process heavy water production system in which most or all of the CECE upper stages of the CIRCE process are replaced with BHW liquid phase catalytic exchange stages. The system allows the CIRCE process to return to a more natural cascade resulting in a more cost effective process.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: February 22, 2005
    Assignee: Atomic Energy of Canada Limited
    Inventor: William R. C. Graham