ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,200, issued on Sept. 2, was assigned to SAINT-GOBAIN ISOVER (Courbevoie, France).
"High-efficiency furnace" was invented by Guillaume Dupeux (Paris), Antony Vispo (Les Ageux, France), Alexandre Martin (Montlignon, France) and Sebastien Chesnel (Angouleme, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An installation for melting a composition of raw materials, suitable for obtaining glass wool, textile glass yarns and/or flat glass, includes a melting chamber equipped with at least one submerged burner, wherein the melting chamber is defined by side walls made of refractory material and a bare metal bottom traversed by a network of pipes adap...