Xiangyang Zhao

2 Patents

• US118149442023

  Reactive Torque Automatic Balancing Device for Screw Drilling Tool, Drilling String, and Method

  SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERING

  0 cites
• US116464682023

  Wearable Battery Pack

  Nanjing Chervon Industry Co., Ltd.

  0 cites