Patents by Inventor Defeng ZHANG

Defeng ZHANG 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).

  • Patent number: 11618483
    Abstract: Disclosed are a matrix track system, a production line with associated loops and a production method using the production line. The matrix track system includes a plurality of track nodes which are arranged in a matrix and a plurality of fixed guide rails connecting the track nodes. The fixed guide rails include a plurality of longitudinal guide rails and a plurality of transverse guide rails. Each of the track nodes includes a turnout mechanism which includes a straight guide rail, an arc guide rail and a switch component for the switching of the straight guide rail and the arc guide rail.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 4, 2023
    Assignee: DOFSIM TECHNOLOGIES CO., LTD.
    Inventors: Defeng Zhang, Zuochun Zhang, Yongqiang Li, Baokui Li
  • Publication number: 20200398870
    Abstract: Disclosed are a matrix track system, a production line with associated loops and a production method using the production line. The matrix track system includes a plurality of track nodes which are arranged in a matrix and a plurality of fixed guide rails connecting the track nodes. The fixed guide rails include a plurality of longitudinal guide rails and a plurality of transverse guide rails. Each of the track nodes includes a turnout mechanism which includes a straight guide rail, an arc guide rail and a switch component for the switching of the straight guide rail and the arc guide rail.
    Type: Application
    Filed: June 29, 2020
    Publication date: December 24, 2020
    Inventors: Defeng ZHANG, Zuochun ZHANG, Yongqiang LI, Baokui LI