US Patent Issued to GREENIRON H2 on Jan. 28 for "Method and device for producing direct reduced metal" (Swedish Inventor)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,295, issued on Jan. 28, was assigned to GREENIRON H2 AB (Sollentuna, Sweden).

"Method and device for producing direct reduced metal" was invented by Hans Murray (Djursholm, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing direct reduced metal material includes charging metal material into a first furnace space of a first furnace; evacuating an atmosphere from the first furnace space to achieve an underpressure inside the first furnace space; providing heat and first hydrogen gas without recirculation to the first furnace space, so that heated first hydrogen gas heats the charged metal material so that metal oxides present...