ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,029, issued on March 3, was assigned to JFE STEEL Corp. (Tokyo).
"Method of producing molten iron using electric furnace including video device" was invented by Koichi Tsutsumi (Tokyo), Yoshihiro Miwa (Tokyo), Shohei Nagashima (Tokyo), Goro Okuyama (Tokyo), Katsutoshi Endo (Tokyo) and Shunichi Kawanami (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To ensure stable supply of a cold iron source to a melting chamber, a method of producing molten iron uses an electric furnace that includes: a preheating chamber; a melting chamber; an extruder located in the preheating chamber; and a video device configured to observe an inside of the melting cha...