Patents by Inventor Dingru Cao

Dingru 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).

  • Watch lug structure
    Patent number: 10709213
    Abstract: A structure for a watch lug includes a watch case having a first positioning cavity and a second positioning cavity, a first watch lug inserted into the first positioning cavity, a second watch lug inserted into the second positioning cavity, and a coupling medium, wherein the first and second watch lugs are fixed to the watch case by the coupling medium.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: July 14, 2020
    Assignee: Anhui Huami Information Technology Co., Ltd.
    Inventors: Bo Zeng, Yi Zhang, Lian Zhang, Dingru Cao
  • Watch Lug Structure
    Publication number: 20180271231
    Abstract: A structure for a watch lug includes a watch case having a first positioning cavity and a second positioning cavity, a first watch lug inserted into the first positioning cavity, a second watch lug inserted into the second positioning cavity, and a coupling medium, wherein the first and second watch lugs are fixed to the watch case by the coupling medium.
    Type: Application
    Filed: May 31, 2018
    Publication date: September 27, 2018
    Inventors: Bo Zeng, Yi Zhang, Lian Zhang, Dingru Cao