ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,503, issued on Oct. 27.
"Fuel cell system" was invented by Youngchan Yeo (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a fuel cell system. The fuel cell system comprises: a reformer that reforms fuel; a reformed fuel storage unit that receives the reformed fuel from the reformer and stores same; a fuel cell stack that generates electric power and heat by using the reformed fuel; a boiler unit that provides heating by using heating water, a battery unit that stores the electric power generated in the fuel cell stack; and a control unit that controls the operations of the reformer, the reformed fuel storage unit, the f...