US Patent Issued to PYROTEK on July 29 for "Molten metal filtration box heating apparatus" (American, Canadian Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,597, issued on July 29, was assigned to PYROTEK INC. (Spokane, Wash.).

"Molten metal filtration box heating apparatus" was invented by Richard S. Henderson (Solon, Ohio), Mike Tomassi (East Syracuse, N.Y.) and Mark Reynolds (Fergus, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A molten metal filtration apparatus is provided. The apparatus includes a filter chamber having a floor, a metal inlet, a metal outlet, and a wall surface adapted to be partitioned by at least one filter element having an open cell structure characterized by a plurality of interconnected voids. The filter element partitions the filter chamber. At least one heater devi...