Patents by Inventor Steve LANGFORD

Steve LANGFORD 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: 11840895
    Abstract: A threaded connection partially in a self-locking arrangement includes a first and a second tubular component provided respectively with male and female threaded zone at their respective ends. Only a portion of a first portion with varying thread width of the male threaded zone cooperates by self-locking tightening with only a portion of the second portion with varying thread width of the female threaded zone when made up one into the other. The connection is able to withstand high torques required for special applications such as drilling with casing or intermediate casing.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: December 12, 2023
    Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATION
    Inventors: Steve Langford, Wesley Ott
  • Publication number: 20200325734
    Abstract: A threaded connection partially in a self-locking arrangement includes a first and a second tubular component provided respectively with male and female threaded zone at their respective ends. Only a portion of a first portion with varying thread width of the male threaded zone cooperates by self-locking tightening with only a portion of the second portion with varying thread width of the female threaded zone when made up one into the other. The connection is able to withstand high torques required for special applications such as drilling with casing or intermediate casing.
    Type: Application
    Filed: October 2, 2018
    Publication date: October 15, 2020
    Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATION
    Inventors: Steve LANGFORD, Wesley OTT