ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,620, issued on Sept. 8, was assigned to Northeastern University (Shenyang, China).

"Borehole fracture-deformation-wave velocity integrated intelligent sensing apparatus and method for engineering rock mass" was invented by Jun Zhao (Shenyang, China), Xiating Feng (Shenyang, China), Mengfei Jiang (Shenyang, China), Jiachao Xue (Shenyang, China) and Chengxiang Yang (Shenyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a borehole fracture-deformation-wave velocity integrated intelligent sensing apparatus and method for an engineering rock mass. The apparatus includes an in-hole monitoring execution unit and an out-hole monitorin...