ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,829, issued on Aug. 19, was assigned to Shenzhen Alltokee Technology Co. Ltd (Shenzhen, China).
"Portable liquid storage device" was invented by Minyi Huang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable liquid storage device includes a housing; a heating cylinder assembly mounted in the housing and including a heat-conducting cylinder being configured for accommodating a liquid therein and an electric-heating piece attached to an outer wall of the heat-conducting cylinder; and a battery and a circuit board mounted in the housing, the battery being electrically connected to the electric-heating piece through the circuit ...