ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,335, issued on Oct. 21, was assigned to CHENGDU QINCHUAN IOT TECHNOLOGY Co. LTD. (Chengdu, China).

"Methods and smart gas internet of things systems for determining gas abnormity for safe gas use" was invented by Zehua Shao (Chengdu, China), Haitang Xiang (Chengdu, China), Bin Liu (Chengdu, China), Xiaojun Wei (Chengdu, China) and Lei Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the present disclosure provide a method and smart gas Internet of Things (IoT) system for determining a gas abnormity for a safe gas use. The method is implemented by a smart gas IoT system including a smart gas user platform, a sma...