Patents by Inventor Binghong Xie

Binghong Xie 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).

  • Double-valve continuous circulating valve with a clamping device
    Patent number: 11530753
    Abstract: The present invention discloses a novel double-valve continuous circulating valve with a clamping device, comprising a main through valve (5), a pup joint body (8), a middle connector (11) and a bypass valve (12); the main through valve seat (4), the main through valve (5) and the main through valve spring (6) are press-fitted in the pup joint body (8) through a main through valve limiting device (1); a bypass valve seat (10) is arranged at the lower side of the pup joint body (8), and the bypass valve (12) is mounted and fixed to the bypass valve seat (10) through a bypass valve limiting device (9); the middle connector (11) is press-fitted on the pup joint body (8) through a clamping device. The present invention solves the technical problems of dangerous incidents caused by the suspension of circulating medium.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: December 20, 2022
    Assignee: Southwest Petroleum University
    Inventors: Huohai Yang, Xuanyu Liu, Binghong Xie, Jie Yue, Jingxin Ruan, Xing Liu