Patents by Inventor Pingyuan Ouyang

Pingyuan Ouyang 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).

  • Power adapter
    Patent number: D823801
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: July 24, 2018
    Inventor: Pingyuan Ouyang
  • Electric eyelash curler
    Patent number: D919887
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: May 18, 2021
    Assignee: SHENZHEN LA PUPIL TECHNOLOGY CO., LTD.
    Inventor: Pingyuan Ouyang
  • Cosmetic palette heater with removable pan
    Patent number: D1012870
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 30, 2024
    Inventor: Pingyuan Ouyang