ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,289, issued on March 31, was assigned to CHENGDU QINCHUAN IOT TECHNOLOGY Co. LTD. (Chengdu, China).
"Methods, internet of things systems, and storage medium for managing energy- saving early warning of smart gas flowmeters" was invented by Zehua Shao (Chengdu, China), Yong Li (Chengdu, China) and Yaqiang Quan (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for managing energy-saving early warning of a smart gas flowmeter is provided. The method is executed by a smart gas management platform. The method comprises obtaining a remaining power of the smart gas flowmeter, determining a confidence level of the remaining power base...