ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,421, issued on Jan. 27, was assigned to TIANJIN UNIVERSITY (Tianjin, China) and CIVIL AVIATION UNIVERSITY OF CHINA (Tianjin, China).

"Gasification tar monitoring system, gasification tar monitoring method and gasification tar monitoring device" was invented by Guanyi Chen (Tianjin, China), Jian Li (Tianjin, China), Da Chen (Tianjin, China), Beibei Yan (Tianjin, China), Junyu Tao (Tianjin, China), Wei Zhang (Tianjin, China), Zhanjun Cheng (Tianjin, China) and Shengquan Zhou (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system includes a dust collector, a pressure controller, a dryer, a gas heat-insulation device, a gas pool, a ga...