ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,466, issued on March 17.
"Rotary magnet" was invented by Florian Rauch (Bad Gronenbach, Germany), Claus Peter Hasel (Memmingen, Germany) and Karin Kohler (Aitrach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bistable rotary magnet is proposed, comprising a rotor, wherein the rotor comprises a permanent magnet having differently polarized magnetic poles opposed with respect to the axis of rotation, wherein the stator comprises two pole shoes extending along the axis of rotation, wherein the permanent magnet includes a first pole surface and a second pole surface at each magnetic pole and each of the two pole shoes includes a first pole ...