Patents by Inventor John Jefferson Hutchinson

John Jefferson Hutchinson 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).

  • Fuel assembly for a nuclear reactor
    Patent number: 4030975
    Abstract: A nuclear reactor fuel assembly having an easily disassembled threaded connection between the end fitting and the control rod guide tubes. More specifically, the threaded connection is formed between the upper and/or lower alignment posts and the guide tubes and clamps the fuel assembly end plate therebetween. The sizing and arrangement of the connections is such that the assembled joint may be subjected to thermal cycling without incurring excessive stresses or deformations.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: June 21, 1977
    Assignee: Combustion Engineering, Inc.
    Inventors: Andrew James Anthony, John Jefferson Hutchinson
  • Fuel assembly for a nuclear reactor
    Patent number: 3992259
    Abstract: A nuclear reactor fuel assembly having an easily dissassembled threaded connection between the end fitting and the control rod guide tubes. More specifically, the threaded connection is formed between the upper and/or lower alignment posts and the guide tubes and clamps the fuel assembly end plate therebetween. The sizing and arrangement of the connections is such that the assembled joint may be subjected to thermal cycling without incurring excessive stresses or deformations.
    Type: Grant
    Filed: June 25, 1973
    Date of Patent: November 16, 1976
    Assignee: Combustion Engineering, Inc.
    Inventors: Andrew James Anthony, John Jefferson Hutchinson