ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,499, issued on Oct. 27, was assigned to PAUL WURTH S.A. (Luxembourg).
"Method for operating a blast furnace installation" was invented by Klaus Peter Kinzel (Sandweiler, Luxembourg), Miriam Valerius (Saarburg, Germany), Cristiano Castagnola (Genoa, Italy) and Lorenzo Micheletti (Castagneto Carducci, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a blast furnace for producing of pig iron, including heating a stream of hydrocarbon gas and a stream of steam in a first heater to provide a heated stream of hydrocarbon gas and steam, feeding and partially reforming the heated stream of hydrocarbon gas and steam in a pre-reform...