ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,065, issued on June 24.
"Pump system for transferring molten metal" was invented by Niklaus Thut (Chagrin Falls, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump system for transferring molten metal includes a pump for pumping molten metal. The pump includes a motor. The pump also includes a base adapted to be submerged in molten metal contained in a vessel including at least one inlet opening, an outlet opening and an impeller chamber fluidly communicating with the at least one inlet opening and the outlet opening. A shaft sleeve is part of the pump and is adapted to fasten to the base and extends outside the molten metal. An impeller is ...