US Patent Issued to SICHUAN UNIVERSITY on March 18 for "Rolling and sliding adaptive device for guiding and fixing drill pipe" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,942, issued on March 18, was assigned to SICHUAN UNIVERSITY (Chengdu, China).

"Rolling and sliding adaptive device for guiding and fixing drill pipe" was invented by Zetian Zhang (Chengdu, China), Heping Xie (Chengdu, China), Ru Zhang (Chengdu, China), Ling Chen (Chengdu, China), Yihang Li (Chengdu, China), Heng Gao (Chengdu, China), Jianan Li (Chengdu, China), Wei Huang (Chengdu, China), Li Ren (Chengdu, China), Kun Xiao (Chengdu, China), Weiqiang Ling (Chengdu, China) and Chendi Lou (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rolling and sliding adaptive device for guiding and fixing a drill pipe includes a mounting platform,...