ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,074, issued on July 21, was assigned to Nanchang Hangkong University (Nanchang City, China).

"Quick-pressing fixture for friction stir spot welding, and use method thereof" was invented by Yuhua Chen (Nanchang City, China), Min Zheng (Nanchang City, China), Shanlin Wang (Nanchang City, China), Limeng Yin (Nanchang City, China), Jinyang Hu (Nanchang City, China), Qing Jiang (Nanchang City, China), Chao Wan (Nanchang City, China), Jie Li (Nanchang City, China) and Tao Jiang (Nanchang City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-pressing fixture for friction stir spot welding and a use method thereof relate to the technical field ...