Patents by Inventor Daning Zhou

Daning 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).

  • Wrench
    Patent number: D866275
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 12, 2019
    Assignee: QINGDAO JINGER INTERNATIONAL TRADING CO., LTD.
    Inventor: Daning Zhou
  • Anti-loosening wire puller
    Patent number: D987417
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 30, 2023
    Assignee: QINGDAO CHANGHUAI MACHINERY CO., LTD.
    Inventor: Daning Zhou