Patents by Inventor Newlin W. Kessler

Newlin W. Kessler 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: 4856828
    Abstract: A coupling assembly having an annular coupling with internal threads in threaded engagement with external threads on opposed tubes inserted into the coupling. An annular gasket of rigid material is mounted between and in engagement with opposed ends of the tubes within the coupling. This gasket has a continuous radial portion extending between these opposed ends of the tubes and a pair of opposed flanges extending from opposite sides of the continuous radial portion and into contact with an interior marginal portion of the opposed tubing ends. Sealing is provided between the opposed ends of the tubes.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: August 15, 1989
    Assignee: Tuboscope Inc.
    Inventors: Newlin W. Kessler, Ray D. Willis