US Patent Issued to TAIYUAN UNIVERSITY OF TECHNOLOGY, NORTH CHINA INSTITUTE OF SCIENCE AND TECHNOLOGY on May 12 for "Rod-spring structured clamping and loosening device for downhole belt replacement apparatus and operating method thereof" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,849, issued on May 12, was assigned to TAIYUAN UNIVERSITY OF TECHNOLOGY (Shanxi, China) and NORTH CHINA INSTITUTE OF SCIENCE AND TECHNOLOGY (Hebei, China).

"Rod-spring structured clamping and loosening device for downhole belt replacement apparatus and operating method thereof" was invented by Ziming Kou (Shanxi, China), Baofu Kou (Shanxi, China), Juan Wu (Shanxi, China), Jianguo Luo (Hebei, China), Pan Li (Hebei, China), Haiqing Wang (Shanxi, China), Jiabao Xue (Shanxi, China), Guangping Huang (Shanxi, China), Hang Liu (Shanxi, China), Wei Wang (Hebei, China), Zhihui Wu (Shanxi, China) and Yanfei Xue (Shanxi, China).

According to the abstract* released by the U.S. Patent & Tradem...