Patents by Inventor Zhouqi Bao

Zhouqi Bao 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).

  • Efficient blasting method for similar cutting in rock tunnel
    Patent number: 11976914
    Abstract: An efficient blasting method for similar cutting in a rock tunnel is provided, which relates to the technical field of rock tunneling. The method includes the following steps: drilling: drilling central holes, lower cutting holes, upper cutting holes, auxiliary holes and peripheral holes in a cross section area for tunnel construction; filling explosives: filling explosives into the central holes, the lower cutting holes, the upper cutting holes, the auxiliary holes and the peripheral holes; and blasting: blasting following blast holes in turn to complete full-face one-time blasting in a millisecond delay blasting mode. The method is applicable for construction scenes of drilling and blasting methods.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: May 7, 2024
    Assignees: University of Science and Technology Beijing, China University of Mining and Technology, Beijing
    Inventors: Renshu Yang, Yanbing Wang, Chengxiao Li, Zhaoran Zhang, Xinmin Ma, Hang Zhang, Zhouqi Bao