Patents by Inventor Ronald Ross Meadowcroft

Ronald Ross Meadowcroft 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).

  • Nuclear fuel element
    Patent number: 4036691
    Abstract: A nuclear fuel element wherein a tubular cladding of zirconium or a zirconium alloy has a fission gas plenum chamber which is held against collapse by the loops of a spacer in the form of a tube which has been deformed inwardly at three equally spaced, circumferential positions to provide three loops. A heat resistant disc of, say, graphite separates nuclear fuel pellets within the cladding from the plenum chamber. The spacer is of zirconium or a zirconium alloy.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: July 19, 1977
    Assignee: Atomic Energy of Canada Limited
    Inventors: Ronald Ross Meadowcroft, Alastair Stewart Bain