US Patent Issued to CCTEG ChongQing Research Institute on Jan. 13 for "Rotation angle control and braking device for power head of directional drill" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,101, issued on Jan. 13, was assigned to CCTEG ChongQing Research Institute Co. Ltd. (ChongQing, China).

"Rotation angle control and braking device for power head of directional drill" was invented by Dezhong Xin (ChongQing, China), Hang Chen (ChongQing, China), Xiaohua Liu (ChongQing, China), Jun Wan (ChongQing, China), Yuqing Xiao (ChongQing, China), Jinjun Lv (ChongQing, China), Jian Pu (ChongQing, China), Min Tang (ChongQing, China), Shizhai Zhang (ChongQing, China), Zhengang Ma (ChongQing, China), Yuan Wan (ChongQing, China), Xin Dou (ChongQing, China), Yi Qin (ChongQing, China), Fujia Zhou (ChongQing, China), Xing Wang (ChongQing, China), Shiping Lu (ChongQing, China), Keyu C...