Patents by Inventor Ralph J. Worthington

Ralph J. Worthington 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).

  • Multi-tubular fluid transfer conduit
    Patent number: 8205643
    Abstract: A fluid transfer system having improved stress accommodation properties and thermal insulation properties is provided. The fluid transfer system includes a fluid transfer conduit comprising a plurality of concentric tubes configured to divide and distribute an axial stress induced in the fluid transfer conduit to each of the tubes and a vacuum cavity between the fluid transfer conduit and a structural support of the fluid transfer system to insulate fluid from a surrounding environment.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: June 26, 2012
    Assignee: Woodward, Inc.
    Inventors: Fei Philip Lee, Ralph J. Worthington
  • Multi-Tubular Fluid Transfer Conduit
    Publication number: 20100096037
    Abstract: A fluid transfer system having improved stress accommodation properties and thermal insulation properties is provided. The fluid transfer system includes a fluid transfer conduit comprising a plurality of concentric tubes configured to divide and distribute an axial stress induced in the fluid transfer conduit to each of the tubes and a vacuum cavity between the fluid transfer conduit and a structural support of the fluid transfer system to insulate fluid from a surrounding environment.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 22, 2010
    Applicant: WOODWARD GOVERNOR COMPANY
    Inventors: Fei Philip Lee, Ralph J. Worthington