ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,222, issued on June 10, was assigned to CHINA UNIVERSITY OF MINING AND TECHNOLOGY (Xuzhou, China), YUNLONG LAKE LABORATORY OF DEEP EARTH SCIENCE AND ENGINEERING (Xuzhou, China) and Jinneng Holding Coal Industry Group Shuozhou Coal and Electricity Co. Ltd. (Shuozhou, China).
"Sealing structure of underground high-pressure gas storage and construction method thereof" was invented by Bo Meng (Xuzhou, China), Xiaozhao Li (Xuzhou, China), Bangguo Jia (Xuzhou, China), Hongwen Jing (Xuzhou, China), Zhanguo Ma (Xuzhou, China), Qian Yin (Xuzhou, China), Yanjun Qi (Xuzhou, China), Dajiang Liu (Xuzhou, China), Fangtao Hu (Xuzhou, China), Jiangyu Wu (Shuozhou, China), Zengjie Tian (Xuzhou, Ch...