Patents by Inventor Wenjiang Zhou

Wenjiang Zhou 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).

  • Sliding sleeve device
    Patent number: 11933138
    Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: March 19, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC SOUTHWEST OIL & GAS COMPANY
    Inventors: Zhimin Hou, Dan Hu, Qiang Wang, Yijun Zhou, Jiang Qian, Chen Chen, Tao Liu, Jianfa Ci, Wenfeng Pang, Wenjiang Teng
  • Method And Apparatus For Displaying Feeds Content Of Contact And Processing Apparatus And System Thereof
    Publication number: 20110238758
    Abstract: A system for displaying feeds contents of a contact and for processing feeds contents of a contact. The system obtains feeds content data of a contact of a user, mixes and sorts the feeds content data. The system pulls out, when the user requests for obtaining the feeds contents of the contact, complete information of the feeds contents requested by the user, and displaying the complete information.
    Type: Application
    Filed: June 6, 2011
    Publication date: September 29, 2011
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Zhu Liang, Xing Yao, Songtao Lin, Zhihao Zheng, Jiang Jiang, Qun Yu, Yue Wu, Zhenyu Guo, Xiaojun Zeng, Min Chen, Yanjie He, Shan Chen, Wenjiang Zhou, Hao Wu, Ye Deng