ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,750, issued on June 30, was assigned to NANJING DMHC SCIENCE & TECHNOLOGY Co. LTD. (Jiangsu, China).

"Driving assembly management system, fault detection method, and electric power-assisted bicycle" was invented by Min Sun (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driving assembly management system, a fault detection method, and an electric power-assisted bicycle. The driving assembly management system comprises: an Internet-of-things device, multiple digital assemblies, and a bus; each digital assembly comprises: a driving assembly and a digital circuit connected to the driving assembly; the digital circuit comprises: an asse...