ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,779, issued on June 2, was assigned to Segway Technology Co. Ltd. (Changzhou, China).

"Battery device and travelling apparatus" was invented by Shulin Miao (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present application disclose a battery device and a travelling apparatus. The battery device includes a battery body and a thermal insulator. The battery body includes a battery and a housing enclosing the battery. The thermal insulator is provided to at least a side of the housing, and the thermal insulator and the housing define a clearance space therebetween. The clearance space has an air layer therein. The the...