ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,291, issued on Nov. 18, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC RESEARCH INSTITUTE OF SAFETY ENGINEERING Co. LTD. (Shandong, China).

"Multi-dimensional multi-parameter gas sensor and manufacturing method therefor, and gas detection method" was invented by Na Li (Shandong, China), Fei An (Shandong, China), Bing Sun (Shandong, China), Zhe Yang (Shandong, China), Shanjun Mu (Shandong, China), Wei Xu (Shandong, China), Jie Jiang (Shandong, China), Haozhi Wang (Shandong, China) and Shiqiang Wang (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensor has a sensing structure that is used for generating, ...