Patents by Inventor CHAO-XIANG FENG

CHAO-XIANG FENG 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).

  • Stamping tray
    Patent number: 11504875
    Abstract: A stamping tray includes a tray body and a base board. The tray body defines a number of mounting grooves for receiving workpieces to be scrapped. The base board is located on a side of the tray body away from the mounting grooves. Each of the mounting grooves defines a through hole extending to the base board.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: November 22, 2022
    Assignee: Ur Materials Industry (ShenZhen) Co., Ltd.
    Inventors: Jiang Zeng, Chao-Xiang Feng
  • STAMPING TRAY
    Publication number: 20210291398
    Abstract: A stamping tray includes a tray body and a base board. The tray body defines a number of mounting grooves for receiving workpieces to be scrapped. The base board is located on a side of the tray body away from the mounting grooves. Each of the mounting grooves defines a through hole extending to the base board.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 23, 2021
    Inventors: JIANG ZENG, CHAO-XIANG FENG