Patents by Inventor Duane Wang

Duane Wang 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).

  • Torque enhanced threaded connection
    Patent number: 9771761
    Abstract: Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: September 26, 2017
    Assignee: NATIONAL OILWELL VARCO, L.P.
    Inventors: Nicholas Ryan Marchand, Duane Wang, Ryan Gee
  • TORQUE ENHANCED THREADED CONNECTION
    Publication number: 20130106102
    Abstract: Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.
    Type: Application
    Filed: July 7, 2011
    Publication date: May 2, 2013
    Applicant: National Oilwell Varco, L.P.
    Inventors: Nicholas Ryan Marchand, Duane Wang, Ryan Gee