ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,868, issued on July 21, was assigned to CHENGDU QINCHUAN IOT TECHNOLOGY Co. LTD. (Chengdu, China).
"Smart gas adaptive pressure regulation method based on calorific value of gas and internet of things system" was invented by Zehua Shao (Chengdu, China), Yong Li (Chengdu, China), Yuefei Wu (Chengdu, China), Bin Liu (Chengdu, China) and Guanghua Huang (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and an Internet of Things system for smart gas adaptive pressure regulation based on a calorific value of gas are provided. The method comprises: acquiring calorific value of gas data, wherein the calorific value of gas data is acqui...