US Patent Issued to UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING on June 17 for "Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,038, issued on June 17, was assigned to UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING (Beijing).

"Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect" was invented by Renshu Yang (Beijing), Chenxi Ding (Beijing), Min Gong (Beijing), Desheng Wang (Beijing), Songlin He (Beijing), Chenglong Xiao (Beijing), Shuai You (Beijing) and Wen Chen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An efficient cut blasting method for medium-length holes in deep high-stress rock roadway is disclosed. The method may comprise steps of carrying out a crustal stress blasting test on the ...