US Patent Issued to Shandong University on July 8 for "Three-dimensional water-absorption swelling multifunctional experimental machine and method for chemical swelling rocks" (Chinese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,730, issued on July 8, was assigned to Shandong University (Jinan, China).

"Three-dimensional water-absorption swelling multifunctional experimental machine and method for chemical swelling rocks" was invented by Kang Duan (Jinan, China), Yang Zheng (Jinan, China), Ziyi Geng (Jinan, China), Qiangyong Zhang (Jinan, China), Qingrong Xiong (Jinan, China), Di Wang (Jinan, China), Qifang Liu (Jinan, China), Luchao Wang (Jinan, China) and Dejun Liu (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of rock mechanics technology, and provides a three-dimensional water absorption swelling multifunctional ex...