ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,758, issued on July 14.

"Non-water cooled consumable electrode vacuum arc furnace for continuous process" was invented by Ali Shahverdi (Verdun, Canada), Pierre Carabin (Montreal, Canada), Jean-Rene Gagnon (Boisbriand, Canada) and Jonathan Mercier-Gingras (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "A consumable electrode vacuum arc furnace and, more particularly, a direct current consumable electrode vacuum arc furnace is provided, wherein no water cooling is needed to cool down typically neither the electrodes, nor any other parts of the furnace, and this includes the shell, the flanges ports and the electrical connections of the furna...