US Patent Issued to JFE STEEL on Dec. 9 for "Method for manufacturing molten iron with electric arc furnace" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,439, issued on Dec. 9, was assigned to JFE STEEL Corp. (Tokyo).

"Method for manufacturing molten iron with electric arc furnace" was invented by Yoshihiro Miwa (Tokyo), Koichi Tsutsumi (Tokyo) and Ikuhiro Sumi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing molten iron by melting a cold iron source in an electric arc furnace having a carbonaceous material-injecting device. The method includes, in the carbonaceous material-injecting device, while a carbonaceous material is injected with a carrier gas through a central portion of the carbonaceous material-injecting device, injecting a fuel and a combustion-supporting ga...