ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,999, issued on May 5, was assigned to JILIN UNIVERSITY (Jilin, China).

"Photoelectric fusion in-situ detection device and method for thermal volatile gases and thermal evolution stages of underground oil shale" was invented by Zhiyong Chang (Jilin, China), Cheng Kong (Jilin, China), Chengxin Song (Jilin, China), Xiangyu Luan (Jilin, China), Xiaohui Weng (Jilin, China), Zongwei Yao (Jilin, China), Tao Zhang (Jilin, China), Ruochen An (Jilin, China) and Sunhua Deng (Jilin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a dust-removed odor sampling device for oil shale and a photoelectric fused method for undergrou...