US Patent Issued to China Railway The Third Engineering Group Construction and Installation Engineering, The Third Engineering Group Co. Ltd. of China Railway on March 18 for "Construction method for radiation-proof concrete hole reserved split bolt" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,889, issued on March 18, was assigned to China Railway The Third Engineering Group Construction and Installation Engineering Co. Ltd. (Taiyuan, China) and The Third Engineering Group Co. Ltd. of China Railway (Taiyuan, China).

"Construction method for radiation-proof concrete hole reserved split bolt" was invented by Zhiqiang Wang (Taiyuan, China), Xiaofeng Wang (Taiyuan, China), Huasong Yin (Taiyuan, China), Wei Wu (Taiyuan, China), Junyi Meng (Taiyuan, China), Liangliang Lian (Taiyuan, China), Xiuru Cheng (Taiyuan, China), Zhipeng Yao (Taiyuan, China), Wenkui Gao (Taiyuan, China), Yuan Zhao (Taiyuan, China), Ze Zhang (Taiyuan, China), Le Ren (Taiyuan, China), Yingbo Dong (Taiyu...