Patents by Inventor Robert L. Roddy

Robert L. Roddy 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).

  • Structure for aligning and butt-welding tube ends
    Patent number: 4405075
    Abstract: A fixture has an expandable section which is positioned opposite the junction of the two pipe ends. Actuation of the expandable section to the walls of the pipes. internally clamps the pipes into rigid axial alignment for welding the pipe ends together.
    Type: Grant
    Filed: May 11, 1981
    Date of Patent: September 20, 1983
    Assignee: Combustion Engineering, Inc.
    Inventor: Robert L. Roddy