ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,861, issued on Sept. 16, was assigned to Siemens AG (Munich).

"Insulating system made of solid insulating material and impregnating resin" was invented by Florian Schemmel (Nuremberg, Germany), Steffen Lang (Hallerndorf, Germany), Manfred Ochsenkuhn (Berg, Germany), Niels Muller (Georgensgmund, Germany) and Marek Maleika (Furth, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates generally to the field of insulating electrical conductors against partial discharge in the medium- and high-voltage ranges. In particular, the invention relates to an insulating system for an electric machine, in particular a rotating electric mac...