Patents by Inventor Zhaobao CAO

Zhaobao CAO 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).

  • FASTENING NUT AND FASTENING ASSEMBLY
    Publication number: 20210222724
    Abstract: A fastening nut and a fastening assembly that includes the fastening nut. The fastening nut includes a collar and a receiving column, the receiving column includes an engageable receiving portion and a deformable receiving portion. The deformable receiving portion includes an upper barrel and a lower barrel connected to each other. The upper barrel has a right cone shape, the lower barrel has an inverted cone shape, and an outwardly-protruding bent portion is formed at a joint between the upper barrel and the lower barrel. The deformable receiving portion includes at least two holes provided at intervals in a circumferential direction of the receiving column.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 22, 2021
    Inventors: Zheng LUO, Zhaobao CAO, Zhilin LI
  • Fastening nut
    Patent number: D971721
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: December 6, 2022
    Assignee: Illinois Tool Works Inc.
    Inventors: Zheng Luo, Zhaobao Cao, Zhilin Li