US Patent Issued to Ocean University of China, China Railway 14th Bureau Group, China Railway 14th Bureau Group Shield Engineering Coporation on Sept. 22 for "Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,910, issued on Sept. 22, was assigned to Ocean University of China (Shandong, China), China Railway 14th Bureau Group Corporation Limited (Shandong, China) and China Railway 14th Bureau Group Shield Engineering Coporation Ltd. (Jiangsu, China).

"Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition" was invented by Fei Sha (Shandong, China), Jian Chen (Shandong, China), Zhe Zhang (Jiangsu, China), Peng Chen (Jiangsu, China), Jianyong Zhang (Jiangsu, China), Tao Liu (Shandong, China), Hao Kong (Shandong, China), Shutong Yang (Shandong, China), Yixiang Li (Jiangsu, China), Gongbiao Ya...