ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,930, issued on July 14, was assigned to Zhejiang University (Hangzhou City, China).

"In-situ testing system of metal materials under high temperature and complex loads" was invented by Jin Wang (Hangzhou, China) and Yongfeng Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an in-situ testing system of metal materials under high temperature and complex loads. The testing system includes a fatigue testing unit, a high-temperature loading unit, a signal detecting unit and a base. The fatigue testing unit is configured for pre-tightening a sample and then performing a fatigue testing on the sample. The...