ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,704, issued on Oct. 14, was assigned to Inner Mongolia University of Technology (Hohhot, China).

"Device and method for testing temperature conduction and frost-heaving strain of concrete lining canal" was invented by Xiaoxiao Wang (Hohhot, China), Shuguang Liu (Hohhot, China), Changwang Yan (Hohhot, China) and Yufei Dong (Hohhot, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for testing temperature conduction and frost-heaving strain of a concrete lining canal comprises: a frost-heaving device comprising a lining canal body and a temperature control device, the temperature control device being configured to provide a predetermined t...