Patents by Inventor Ping Ouyang

Ping 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).

  • Hygrometer
    Patent number: D1038779
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: August 13, 2024
    Assignee: Zhongshan Yuanlai Youyu E-Commerce Co., Ltd.
    Inventor: Ping Ouyang
  • Air stone
    Patent number: D1045936
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: October 8, 2024
    Inventor: Ping Ouyang
  • Aquarium chiller
    Patent number: D1065431
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: March 4, 2025
    Inventor: Ping Ouyang
  • Fish pond filter
    Patent number: D1067273
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: March 18, 2025
    Assignee: Zhongshan Yuanlai Youyu E-Commerce Co., Ltd.
    Inventor: Ping Ouyang
  • Aquarium filter
    Patent number: D1079892
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: June 17, 2025
    Inventor: Ping Ouyang