US Patent Issued to China University of Mining and Technology, Exploration Team of Jiangsu Coal Geological on May 26 for "Evaluation method of ductility of grouted rock mass for advanced renovation of water-sand mixture inrush area" (Chinese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,434, issued on May 26, was assigned to China University of Mining and Technology (Xuzhou, China) and Exploration Team of Jiangsu Coal Geological (Xuzhou, China).

"Evaluation method of ductility of grouted rock mass for advanced renovation of water-sand mixture inrush area" was invented by Wanghua Sui (Xuzhou, China), Chang Zhou (Xuzhou, China), Shichong Yuan (Xuzhou, China), Yuan Hang (Xuzhou, China), Shuangcheng Tang (Xuzhou, China) and Baolei Xie (Xuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an evaluation method of ductility of a grouted rock mass for advanced renovation of a water-sand mixture inrush prevention area inc...