US Patent Issued to SICHUAN UNIVERSITY on Feb. 17 for "Rock tensile damage testing system coupled with complex loading condition" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,807, issued on Feb. 17, was assigned to SICHUAN UNIVERSITY (Chengdu, China).

"Rock tensile damage testing system coupled with complex loading condition" was invented by Jianfeng Liu (Sichuan, China), Heping Xie (Sichuan, China), Lu Wang (Sichuan, China), Yougang Cai (Sichuan, China), Lina Ran (Sichuan, China), Chunping Wang (Sichuan, China), Gan Feng (Sichuan, China), Hua Li (Sichuan, China), Xiangchao Shi (Sichuan, China), Jianliang Pei (Sichuan, China), Huining Xu (Sichuan, China), Xiaozhang Lei (Sichuan, China) and Jianhui Deng (Sichuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rock direct tensile test platform suitable for all mate...