Patents by Inventor Beilei Ma

Beilei Ma 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).

  • Water rocket
    Patent number: D903005
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: November 24, 2020
    Inventor: Beilei Ma
  • Backpack
    Patent number: D970211
    Type: Grant
    Filed: January 8, 2022
    Date of Patent: November 22, 2022
    Inventor: Beilei Ma
  • Air fryer paper
    Patent number: D981177
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 21, 2023
    Inventor: Beilei Ma
  • Backpack
    Patent number: D982897
    Type: Grant
    Filed: January 8, 2022
    Date of Patent: April 11, 2023
    Inventor: Beilei Ma