US Patent Issued to PAUL WURTH on June 23 for "Method for operating a blast furnace plant" (Luxembourger, German Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,212, issued on June 23, was assigned to PAUL WURTH S.A. (Luxembourg).

"Method for operating a blast furnace plant" was invented by Paul Tockert (Berbourg, Luxembourg), Lutwin Franziskus (Wochern, Germany), Roger Ries (Greisch, Luxembourg), Marc Schon (Biwer, Luxembourg) and Marc Schweitzer (Mamer, Luxembourg).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a blast furnace plant that includes a blast furnace, at least one material hopper for charging raw materials to the blast furnace, having a upper seal valve and a lower seal valve, and at least one hot stove that produces hot blast for the blast furnace, the method including a...