ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,357, issued on June 30, was assigned to NIPPON STEEL Corp. (Tokyo).
"Flow rate measurement system" was invented by Kenji Umetsu (Tokyo), Atsushi Sugihashi (Tokyo) and Hiroshi Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flow rate measurement system being a flow rate measurement system that measures a flow rate of molten metal flowing through a hollow portion of a pipe includes an excitation coil that generates a magnetic field so as to intersect with the molten metal flowing through the hollow portion of the pipe; current supply processor circuitry that supplies an alternating exciting current to the excitation coil; a detector tha...