US Patent Issued to STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY, CHINA RAILWAY TUNNEL GROUP on June 24 for "TBM tunneling test bench for microwave-assisted rotary rock breaking" (Chinese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,199, issued on June 24, was assigned to STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY (Zhengzhou, China) and CHINA RAILWAY TUNNEL GROUP Co. LTD. (Guangzhou, China).

"TBM tunneling test bench for microwave-assisted rotary rock breaking" was invented by Gaoming Lu (Henan, China), Kairong Hong (Henan, China), Chuigang Zeng (Henan, China), Jianjun Zhou (Henan, China), Yandong Yang (Henan, China) and Limeng Zhang (Henan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a TBM tunneling test bench for microwave-assisted rotary rock breaking including a tunneling test bench body and a microwave-assisted rock breaking system, w...