Patents by Inventor James Gerrard Sorensen

James Gerrard Sorensen 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).

  • Patent number: 5794691
    Abstract: A plate type heat exchanger as disclosed having a plurality of stacked plate pairs. Each plate pair has opposed inlet and outlet openings that are in registration to form respective inlet and outlet flow manifolds for the flow of fluid through the plate pairs. Each of the inlet and outlet openings has an inner peripheral edge portion including opposed, flange segments extending inwardly and being joined together to prevent expansion of the manifolds under pressure.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: August 18, 1998
    Assignee: Long Manufacturing Ltd.
    Inventors: Bruce Laurance Evans, James Gerrard Sorensen, Brian Ernest Duke