ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,062, issued on March 17, was assigned to China Special Equipment Inspection & Research Institute (Beijing) and Jiangsu Special Equipment Inspection Institute (Nanjing, China).

"Anti-leakage device for hydrogen storage container" was invented by Xiang Li (Beijing), Jiepu Li (Beijing), Xin Ma (Beijing) and Yitao Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an anti-leakage device for a hydrogen storage container. A sealing assembly is connected to a right side of a tank body of an anti-leakage device, an impurity removing assembly is connected to a lower side of the tank body, and the impurity removing assembly is connected...