Patents by Inventor Jerry Haygood

Jerry Haygood 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 for rethreading tubular members
    Patent number: 4420865
    Abstract: The present invention discloses methods and apparatus for rethreading damaged or incorrectly threaded tubular members such as tool joints, casing, and tubing for oil wells, which methods and apparatus are particularly advantageous for use with NC and CNC machines.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: December 20, 1983
    Assignee: Reed Tubular Products Co.
    Inventor: Jerry Haygood
  • Apparatus for rethreading tubular members
    Patent number: 4402120
    Abstract: The present disclosure relates to methods and apparatus for rethreading damaged or incorrectly threaded tubular members such as tool joints, casing, and tubing for oil wells, which methods and apparatus are particularly advantageous for use with NC and CNC machines.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: September 6, 1983
    Assignee: Reed Tubular Products Company
    Inventor: Jerry Haygood