Patents by Inventor Xuegen Sun

Xuegen Sun 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).

  • Publication number: 20210402639
    Abstract: The application belongs to the technical field of hot angle-cutting automata for earmuff sponge of earphones, and discloses a fully automatic sponge chamfering machine, which comprises a rack, a man-machine interface and a button system set on the enclosure, a three-color alarm lamp fixed on the enclosure, a suction module set on the enclosure, a safety grating module set on the enclosure, and an air extraction module set on the enclosure. The application has high degree of automation, high positioning accuracy, and high work efficiency.
    Type: Application
    Filed: January 15, 2020
    Publication date: December 30, 2021
    Inventors: Shun Ming Yuen, Qingshan Tang, Xuegen Sun