ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,745, issued on Dec. 30, was assigned to TECHNOLOGICAL RESOURCES PTY Ltd. (Melbourne, Australia).
"Production of iron" was invented by Michael Buckley (Mosman Park, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for direct reduction of iron ore in a solid state including a pre-heating furnace for pre-heating iron ore fragments and biomass in briquettes of these materials to a temperature in the range of 400-900deg C.; and a reduction assembly for briquettes from the pre-heating furnace. The reduction assembly includes a reaction chamber, a source of electromagnetic energy in the form of microwave energy, a wave guide for transf...