ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,127, issued on June 30, was assigned to PYROTEK INC. (Spokane, Wash.).
"Battery operated molten metal pump" was invented by Sean Cullen (Kent, Ohio), Lennard Lutes (Copley, Ohio) and Jason Tetkoskie (Cleveland Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump for transferring molten metal from a vessel, the system comprising: (a) a stationary intake tube, the stationary intake tube comprising (i) a cavity having a diameter, and being configured to direct molten metal upward through the inner cavity, (ii) a first end configured to be at least partially submerged in the molten metal in the vessel, and (iii) a second end: (b) a DC mot...