US Patent Issued to SHANDONG UNIVERSITY on March 18 for "Induced polarization method and system mounted on while drilling-type drill rig based on long-length power source for water detection in tunnels" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,989, issued on March 18, was assigned to SHANDONG UNIVERSITY (Jinan, China).

"Induced polarization method and system mounted on while drilling-type drill rig based on long-length power source for water detection in tunnels" was invented by Lichao Nie (Jinan, China), Zhaoyang Deng (Jinan, China), Zhiqiang Li (Jinan, China), Lei Han (Jinan, China), Shixun Jia (Jinan, China), Yuancheng Li (Jinan, China) and Pengyu Jing (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an induced polarization method and system mounted on a while drilling-type drill rig based on a long-length power source for water detection in tunnels,...