Patents by Inventor Calvin D. Scully

Calvin D. Scully 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).

  • Size-adjustable internal pipe clamp apparatus
    Patent number: 4140262
    Abstract: Size-adjustable internal pipe clamp apparatus, for use in two different nominal sizes of pipes, wherein adjustments are provided for all pipe contacting elements so that only a single apparatus need be provided for clamping abutted pipe ends of two sizes of pipes together for welding instead of the two separate and distinct apparatuses hereinbefore required.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: February 20, 1979
    Assignee: Midcon Pipeline Equipment Co.
    Inventors: Daniel F. Wilson, Calvin D. Scully