Patents by Inventor Ruizhi Ling

Ruizhi Ling 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).

  • Kitchen sink
    Patent number: D926947
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: August 3, 2021
    Assignee: Shanghai Aquacubic Sanitaryware Co., Ltd.
    Inventors: Ruizhi Ling, Shichang Dou
  • Faucet
    Patent number: D950683
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: May 3, 2022
    Assignee: SHANGHAI AQUACUBIC SANITARYWARE CO., LTD
    Inventor: Ruizhi Ling
  • Faucet
    Patent number: D984594
    Type: Grant
    Filed: August 15, 2021
    Date of Patent: April 25, 2023
    Assignee: SHANGHAI AQUACUBIC SANITARYWARE CO., LTD
    Inventor: Ruizhi Ling
  • Terrace sink
    Patent number: D1002823
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: October 24, 2023
    Assignee: SHANGHAI AQUACUBIC SANITARYWARE CO., LTD.
    Inventor: Ruizhi Ling