Patents by Inventor Arthur B. Denison

Arthur B. Denison 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).

  • Nondestructive examination using neutron activated positron annihilation
    Patent number: 6178218
    Abstract: A method is provided for performing nondestructive examination of a metal specimen using neutron activated positron annihilation wherein the positron emitter source is formed within the metal specimen. The method permits in situ nondestructive examination and has the advantage of being capable of performing bulk analysis to determine embrittlement, fatigue and dislocation within a metal specimen.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: January 23, 2001
    Assignee: Bechtel BWXT Idaho, LLC
    Inventors: Douglas W. Akers, Arthur B. Denison