Patents by Inventor Difa Liang

Difa Liang 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).

  • Ceiling fan light
    Patent number: D994937
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: August 8, 2023
    Inventor: Difa Liang
  • Combined ceiling fan with light
    Patent number: D1036647
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: July 23, 2024
    Inventor: Difa Liang
  • Combined ceiling fan with light
    Patent number: D1036733
    Type: Grant
    Filed: June 4, 2023
    Date of Patent: July 23, 2024
    Inventor: Difa Liang
  • Combined ceiling fan with light
    Patent number: D1102582
    Type: Grant
    Filed: November 15, 2024
    Date of Patent: November 18, 2025
    Inventor: Difa Liang