ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,564, issued on Sept. 23, was assigned to Midrex Technologies Inc. (Charlotte, N.C.).
"Iron (DRI) between a DRI source and processing equipment for the DRI" was invented by Todd Michael Astoria (Harrisburg, N.C.) and James Lloyd Lewis Jr. (Charlotte, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of heating direct reduced iron between a direct reduced iron source and processing equipment for the direct reduced iron, comprises providing a conduit heater assembly between the direct reduced iron source and the processing equipment, wherein the conduit heater assembly receives a flow of the direct reduced iron from the direct reduced iron ...