Patents by Inventor Hecheng Jin

Hecheng Jin 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).

  • Smart lock unit
    Patent number: D904160
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: December 8, 2020
    Inventor: Hecheng Jin
  • Smart lock unit
    Patent number: D904164
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 8, 2020
    Inventor: Hecheng Jin
  • Smart lock
    Patent number: D904165
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 8, 2020
    Inventor: Hecheng Jin