US Patent Issued to Qingdao University of Technology on Sept. 15 for "Risk assessment method of water inrush in tunnels constructed in water-rich grounds" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,514, issued on Sept. 15, was assigned to Qingdao University of Technology (Qingdao, China).

"Risk assessment method of water inrush in tunnels constructed in water-rich grounds" was invented by Yongjun Zhang (Qingdao City, China), Fei Liu (Qingdao City, China), Huangshuai Xia (Qingdao City, China), Bin Gong (Qingdao City, China), Sijia Liu (Qingdao City, China), Yingming Wu (Qingdao City, China), Qingsong Wang (Qingdao City, China), Hongzhi Liu (Qingdao City, China), Ruiquan Lu (Qingdao City, China), Mingdong Yan (Qingdao City, China), Lijun Zhang (Qingdao City, China), Xiaoming Guan (Qingdao City, China), Pingan Wang (Qingdao City, China), Shuguang Li (Qingdao City, China), Deng...