ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,958, issued on Sept. 30, was assigned to Qinghai 906 Engineering Survey and Design Institute Co. LTD (Xining, China), Qinghai Bureau of Environmental Geology Exploration (Xining, China) and Qinghai Institute of Geological and Environmental Survey (Xining, China).

"Hydrogeological drilling-type detection equipment" was invented by Shengbin Wang (Qinghai, China), Zexue Qi (Qinghai, China), Fenglin Wang (Qinghai, China), Zhen Zhao (Qinghai, China), Xiaoran Chai (Qinghai, China), Guoqiang Zhang (Qinghai, China), Long Chen (Qinghai, China), Youjing Yuan (Qinghai, China), Haicong Kou (Qinghai, China), Shanhu Xiao (Qinghai, China), Shaokang Yang (Qinghai, China) and Jianhui Wang (Qingha...