Patents by Inventor Lingling Hua

Lingling Hua 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).

  • Pillow
    Patent number: D1055568
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: December 31, 2024
    Inventor: Lingling Hua
  • Backrest pillow
    Patent number: D1074257
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: May 13, 2025
    Assignee: Qinhuangdao Juxing Technology Co., Ltd.
    Inventor: Lingling Hua