Patents by Inventor Zhaowen DU

Zhaowen DU 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).

  • Filling mining method for fully-mechanized top coal caving working face
    Patent number: 11047236
    Abstract: Provided is a filling mining method for a fully-mechanized top coal caving working face, which relates to the field of mining engineering technologies. The method solves the technical problems of roof control of the fully-mechanized top coal caving working face and a large ground deformation of top coal caving mining.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: June 29, 2021
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Shaojie Chen, Zhaowen Du, Zhiguo Xia, Zhen Zhang, Bing Chen, Zhiyuan Li, Yong Jian
  • FILLING MINING METHOD FOR FULLY-MECHANIZED TOP COAL CAVING WORKING FACE
    Publication number: 20210040850
    Abstract: Provided is a filling mining method for a fully-mechanized top coal caving working face, which relates to the field of mining engineering technologies. The method solves the technical problems of roof control of the fully-mechanized top coal caving working face and a large ground deformation of top coal caving mining.
    Type: Application
    Filed: December 25, 2018
    Publication date: February 11, 2021
    Inventors: Shaojie CHEN, Zhaowen DU, Zhiguo XIA, Zhen ZHANG, Bing CHEN, Zhiyuan LI, Yong JIAN