Patents by Inventor Edward J. Tatham

Edward J. Tatham 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 scanning and measuring device
    Patent number: 4511801
    Abstract: A scanning device for examining an object with gamma rays with shielding for protection from radiation and protection of the mechanism from heat by a cooling jacket formed by spaced plates around the object. The shielding is formed by a pair of shutter-halves forming a lead shutter with mechanism to move the shutter-halves toward and away from each other and one of the shutter-halves mounted on a rotating drum which also carries three gamma ray sources. Gamma ray detectors are mounted in a circle concentric and outside the circle of the sources.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: April 16, 1985
    Assignee: Bethlehem Steel Corporation
    Inventors: Edward J. Tatham, Richard Kravits, John C. Clymer, Carvel D. Hoffman