Patents by Inventor Xiaomin Zhai

Xiaomin Zhai 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).

  • Ocean depth automatic compensation type full-ocean-depth hydraulic control water stop valve
    Patent number: 10683939
    Abstract: An ocean depth automatic compensation type full-ocean-depth hydraulic control water stop valve includes a valve body having an inlet and outlet on a side thereof; a valve sleeve assembly embedded in the valve body; and a valve core assembly. The valve sleeve assembly includes a spring cover; a pressure rod valve sleeve; a valve core cover; a valve seat; a pressing piece; a push rod valve sleeve base body; and a screw plug. The valve core assembly includes a pressure rod; a valve core; and a push rod.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: June 16, 2020
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Defa Wu, Chao Li, Yinshui Liu, Qian Cheng, Zhenyao Wang, Guang Luo, Yipan Deng, Hao Pang, Xiaomin Zhai