US Patent Issued to CCTEG Chongqing Research Institute on March 31 for "High pressure water jet automatic drilling and cutting collaborative system and method for coal seams" (Chinese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,493, issued on March 31, was assigned to CCTEG Chongqing Research Institute Co. Ltd. (Chongqing, China).

"High pressure water jet automatic drilling and cutting collaborative system and method for coal seams" was invented by Yongjiang Zhang (ChongQing, China), Lindong Guo (ChongQing, China), Xusheng Zhao (ChongQing, China), Zhenfei Huang (ChongQing, China), Junjian Xu (ChongQing, China), Shuai Li (ChongQing, China), Wenbin Wu (ChongQing, China), Zhanjin Lu (ChongQing, China), Fei Ji (ChongQing, China), Chengcheng Li (ChongQing, China), Yongsan Liu (ChongQing, China), Liangwei Li (ChongQing, China), Fengyuan Qin (ChongQing, China) and Runzhe Zhang (ChongQing, China).

According to...