Patents by Inventor Jack N. Fox

Jack N. Fox 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).

  • Vibrating fuel grapple
    Patent number: 4332640
    Abstract: A reactor refueling method utilizing a vibrating fuel grapple for removing spent fuel assemblies from a reactor core which incorporates a pneumatic vibrator in the grapple head, enabling additional withdrawal capability without exceeding the allowable axial force limit. The only moving part in the vibrator is a steel ball, pneumatically driven by a gas, such as argon, around a track, with centrifugal force created by the ball being transmitted through the grapple to the assembly handling socket.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: June 1, 1982
    Assignee: The United States of America as represented by the United State Department of Energy
    Inventors: Alan J. Chertock, deceased, Jack N. Fox, Robert B. Weissinger