ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,044, issued on Aug. 18, was assigned to Molten Metal Equipment Innovations LLC.
"Axial pump and riser" was invented by Paul V. Cooper (Chesterland, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for pumping molten metal includes a pump configured to pump molten metal, wherein the pump comprises (i) a motor, (ii) a shaft having a first end connected to the motor, and a second end connected to a rotor, wherein the rotor is configured to push molten metal upwards as it rotates. At least part of the shaft and the rotor are positioned in a conduit of a riser. The riser has an outer surface, a front, a bottom, a two-stage conduit, an inlet a...