ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,957, issued on Nov. 11, was assigned to LEM International SA (Meyrin, Switzerland).
"Fluxgate current transducer" was invented by Fabien Millet (Bons-en-chablais, France) and Stephan Trombert (Leschaux, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Fluxgate current transducer including a control circuit and a fluxgate measuring device comprising a fluxgate magnetic field detector, the fluxgate magnetic field detector comprising a saturable soft magnetic core surrounded by an excitation coil, the control circuit comprising an excitation coil drive circuit connected to the excitation coil and a controller connected to the excitation coil drive...