US Patent Issued to CCTEG Taiyuan Research Institute, Shanxi Tiandi Coal Mining Machinery on July 28 for "Tunneling system" (Chinese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,790, issued on July 28, was assigned to CCTEG Taiyuan Research Institute (Taiyuan, China) and Shanxi Tiandi Coal Mining Machinery Co. LTD. (Taiyuan, China).

"Tunneling system" was invented by Bukang Wang (Taiyuan, China), Hong Wang (Taiyuan, China), Kai Ma (Taiyuan, China), Dejun Song (Taiyuan, China), Faquan Li (Taiyuan, China), Dianwu Wang (Taiyuan, China), Qiang Ma (Taiyuan, China), Jianwei Jia (Taiyuan, China), Mingjiang Song (Taiyuan, China), Yanhua Qiao (Taiyuan, China), Ningning Wang (Taiyuan, China), Gehui Xie (Taiyuan, China), Feng Liu (Taiyuan, China), Sen Xu (Taiyuan, China), Qiang Zhang (Taiyuan, China), Dong Song (Taiyuan, China), Qinghe Chen (Taiyuan, China), Xuerui ...