ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,230, issued on Sept. 16, was assigned to ZMAG LTD. (Shiroi, Japan).
"Metal melt pump" was invented by Kenzo Takahashi (Shiroi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metal melt pump includes a bottomed cylinder body including a side wall and a bottom wall, a melt flow passage body including a melt flow passage that connects a suction port and an ejection port and being a body separate from the bottomed cylinder body, and a melt driving part including a magnetic field device and adapted to drive metal melt in the melt flow passage. The magnetic field device includes a plurality of permanent magnets arranged such that different magnet...