ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,456, issued on Dec. 30, was assigned to Institute of Rock and Soil Mechanics, the Chinese Academy of Sciences (Wuhan, China).

"Method and device for making physical fault model and empirically evaluating sealing performance" was invented by Hejuan Liu (Wuhan, China), Weimin Wang (Wuhan, China), Chunhe Yang (Wuhan, China), Haijun Mao (Wuhan, China), Yintong Guo (Wuhan, China), Xiaosong Qiu (Wuhan, China), Mancang Liu (Wuhan, China) and Shengnan Ban (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application discloses a method and device for making a physical fault model and empirically evaluating its sealing performance. The method c...