ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,409, issued on April 21, was assigned to SMS GROUP S.P.A. (Tarcento, Italy).

"Steel making plant with electric arc furnace" was invented by Arrigo Bertolissio (Tarcento, Italy) and Andrea Lanari (Tarcento, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steel making plant includes an electric arc furnace and a fume collection and treatment system. The system includes a first primary suction line fluidically connected to the electric arc furnace to suck fumes generated in the electric arc furnace. A secondary suction line is for ventilating the environment surrounding the electric arc furnace by a suction hood. A filtration apparatus is for f...