ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,877, issued on Feb. 17, was assigned to INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES (Wuhan, China).

"Testing device and method for interface mechanical parameters of hydrated soil containing natural gas" was invented by Houzhen Wei (Wuhan, China), Li Xin (Wuhan, China), Qiang Xue (Wuhan, China), Xiang Sun (Wuhan, China) and Xiaolong Ma (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a testing device and method for determining interface mechanical parameters of natural gas hydrated soil. The testing device includes a reaction kettle, a rotating power mechanism, a sample loading mechani...