Patents by Inventor Tommy W. Cathey

Tommy W. Cathey 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).

  • Pipe tapering device
    Patent number: 4955165
    Abstract: A pipe tapering device adapted to receive the outer peripheral marginal end of a tubing or pipe therewithin and to grind a circumferentially extending taper on a marginal end of a pipe. The apparatus is particularly suited for forming a taper on the outer surface of the marginal end of fiberglass or plastic pipe. The apparatus is adjustable and can be employed to taper the ends of a number of different size pipe diameters. The apparatus is hand held and can be powered by an ordinary drill motor.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: September 11, 1990
    Inventors: Harvey L. Brooks, Tommy W. Cathey