Patents by Inventor Zhanjin Lu

Zhanjin Lu 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).

  • MINING HOSE CONNECTING DEVICE AND METHOD
    Publication number: 20250075832
    Abstract: The present invention relates to a mining hose connecting device and method, and belongs to the field of underground hydraulic equipment for coal mines. The mining hose connecting device comprises a joint unit, wherein the joint unit comprises a first joint and a second joint; a first fastening unit, wherein the first fastening unit is arranged symmetrically about a first plane, and the inner diameter of the first fastening unit is respectively in clearance fit with the outer diameters of the first joint and the second joint; and a second fastening unit, comprising a first fastener and a second fastener, wherein the inner diameters of the first fastener and the second fastener are respectively in clearance fit with the outer diameter of the first fastening unit.
    Type: Application
    Filed: May 24, 2022
    Publication date: March 6, 2025
    Applicant: CCTEG CHONGQI RESEARCH INSTITUTE
    Inventors: Yongjiang Zhang, Lindong Guo, Xusheng Zhao, Zhanjin Lu, Zhenfei Huang, Xianzheng Meng, Chengcheng Li, Huiming Yang, Jianjun Cao, Shuai Li, Fei Ji, Jun Liu, Xingang Niu, Zhonghua Wang, Yongsan Liu, Huaifu Liu, Shanchao Hu