Patents by Inventor Charles O. Huff

Charles O. Huff 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).

  • Method and apparatus for a tapered pipeline seal
    Patent number: 4108194
    Abstract: A method and apparatus for a tapered pipeline seal includes a means for enabling a line to be sealed with a rotatable tapered sealing plug or apparatus.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: August 22, 1978
    Assignee: Team, Inc.
    Inventors: George W. Harrison, Charles O. Huff