ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,251, issued on April 29, was assigned to Yanshan University (Qinhuangdao, China), CEIC Boiler & Pressure Vessel Inspection Co. Ltd. (Beijing) and Jinxi (Qinhuangdao) Technology Co. Ltd. (Qinhuangdao, China).

"Method and device for testing stress of high-temperature component of power plant boiler" was invented by Xiangfeng Zheng (Qinhuangdao, China), Yue'e Chen (Qinhuangdao, China), Shutao Wang (Qinhuangdao, China), Jie Lu (Qinhuangdao, China), Zhenghao Zhang (Qinhuangdao, China), Changhua Li (Qinhuangdao, China) and Jiahui Huang (Qinhuangdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention belongs to the technical field of...