Patents by Inventor Steven J. Worthen

Steven J. Worthen 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: 4685359
    Abstract: A method of manufacturing a steel bodied bit is shown in which a hardfacing of a highly conformable metal cloth containing hard, wear resistant particles is applied to the bit face as well as to the interior of the bit nozzle openings. By hardfacing the nozzle openings, fluid erosion in the region of the openings is eliminated.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: August 11, 1987
    Assignee: Hughes Tool Company-USA
    Inventors: Steven J. Worthen, James D. Oursler