ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,905, issued on April 15, was assigned to China University of Petroleum (East China) (Qingdao, China).

"Y-shaped entrained-flow high-temperature zoned gasification device adopting dry-process slag-discharging" was invented by Yuanyu Tian (Qingdao, China), Yingyun Qiao (Qingdao, China), Kechang Xie (Qingdao, China), Jingxian Wang (Qingdao, China), Jinhong Zhang (Qingdao, China), Jiancheng Wang (Qingdao, China), Yiliang Tian (Qingdao, China), Yanpeng Zhang (Qingdao, China) and Ruotong Cui (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a Y-shaped entrained-flow high-temperature zoned gasification device ad...