Patents by Inventor Kun Bo

Kun Bo 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).

  • Downhole drilling tool system of torque self-balancing
    Patent number: 10724300
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: July 28, 2020
    Assignee: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing
  • DOWNHOLE DRILLING TOOL SYSTEM OF TORQUE SELF-BALANCING
    Publication number: 20190063157
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Application
    Filed: February 16, 2018
    Publication date: February 28, 2019
    Applicant: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing