ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,206, issued on Jan. 13, was assigned to PYROTEK INC. (Spokane, Wash.).
"Reciprocating molten metal pump" was invented by Andrew Horsfall (Cuyahoga Falls, Ohio), Jon Tipton (Aurora, Ohio) and Jason Tetkoskie (Cleveland Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A molten metal pumping apparatus. The apparatus has each of a circulation function and a transfer function. The apparatus includes a molten metal pump having an outlet. The pump is rotatable while submerged in molten metal to provide a first position wherein the outlet is engaged with a circulation passage in a furnace assembly and a second position wherein the outlet is enga...