ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,118, issued on Nov. 11, was assigned to PYROTEK INC. (Spokane, Wash.).
"Molten lead scrap submergence apparatus" was invented by Andrew Horsfall (Aurora, Ohio) and Peter Jetten (Oud-Beijerland, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for melting lead scrap pieces. The system includes a vessel. A vortexing chamber is disposed in the vessel. The vortexing chamber includes an inlet, an outlet and an open top configured to receive lead pieces. A pump is disposed in the vessel and directs molten lead to the inlet of the vortexing chamber. A dross dam divides the vessel into a first region and a second region. The vortexing cha...