ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,492, issued on Feb. 3, was assigned to ZHEJIANG WEIDUN ENVIRONMENTAL TECHNOLOGY Co. LTD. (Hangzhou, China).

"Exhaust gas treatment and monitoring system for a medical waste disposal equipment" was invented by Weixing Chen (Hangzhou, China), Yiming Chen (Hangzhou, China) and Guanzhong Huang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust gas treatment and monitoring system for a medical waste disposal equipment includes: an exhaust gas treatment device configured to receive and treat exhaust gas generated by the medical waste disposal equipment; a monitoring device configured to monitor VOCs, particulate matter, and odorous ...