Patents by Inventor Chengming Ding

Chengming Ding 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).

  • Digital display soldering iron
    Patent number: D897173
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: September 29, 2020
    Inventor: Chengming Ding
  • Soldering iron
    Patent number: D905521
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 22, 2020
    Inventor: Chengming Ding
  • Digital soldering iron
    Patent number: D1006080
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: November 28, 2023
    Inventor: Chengming Ding
  • Electric welder with air gun
    Patent number: D1025154
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: April 30, 2024
    Inventor: Chengming Ding