Patents by Inventor Yongqiang Sui

Yongqiang Sui 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).

  • Patent number: D919554
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: May 18, 2021
    Assignee: PRINX CHENGSHAN (QINGDAO) INDUSTRIAL RESEARCH AND DESIGN CO., LTD.
    Inventors: Mingxiu Chu, Yongqiang Sui, Yanfang Ju
  • Patent number: D932423
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 5, 2021
    Assignee: PRINX CHENGSHAN (QINGDAO) INDUSTRIAL RESEARCH AND DESIGN CO., LTD.
    Inventors: Yongqiang Sui, Longfei Yan
  • Patent number: D935985
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: November 16, 2021
    Assignee: PRINX CHENGSHAN (QINGDAO) INDUSTRIAL RESEARCH AND DESIGN CO., LTD.
    Inventors: Ran Wang, Yongqiang Sui