Patents by Inventor Xiangjun Qiu

Xiangjun Qiu 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).

  • Mill liner profile
    Publication number: 20050116077
    Abstract: The mill includes an inner circumferential surface having a profile including a lifter portion having a variable angle edge.
    Type: Application
    Filed: June 18, 2004
    Publication date: June 2, 2005
    Inventors: John Herbst, Xiangjun Qiu
  • Multifunction sawhorse
    Patent number: D973232
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: December 20, 2022
    Assignee: JINHUA YAHU TOOLS CO., LTD.
    Inventors: Zhanfeng He, Rongmin Wang, Bao Li, Yanpeng Jing, Yongping Huang, Peng Pan, Xiangjun Qiu