US Patent Issued to China University of Mining and Technology on March 31 for "Method for detecting stress state of roadway surrounding rocks based on three-dimensional electric potential response" (Chinese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,542, issued on March 31, was assigned to China University of Mining and Technology (Xuzhou, China).

"Method for detecting stress state of roadway surrounding rocks based on three-dimensional electric potential response" was invented by Zhonghui Li (Xuzhou City, China), Tiancheng Shan (Xuzhou City, China), Xiaoran Wang (Xuzhou City, China), Yue Niu (Xuzhou City, China), Xin Zhang (Xuzhou City, China), Chaolin Zhang (Xuzhou City, China), Dong Chen (Xuzhou City, China), Chao Cai (Xuzhou City, China) and Shan Yin (Xuzhou City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting a stress state-of rocks surrounding a roadway based...