ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,511, issued on March 18, was assigned to Aesculap AG (Tuttlingen, Germany).
"Multi-operating-voltage motor" was invented by Roland-Alois Hoegerle (Tuttlingen, Germany) and Juergen Barth (Denkingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor includes a motor winding interconnection for operating an electrosurgical instrument with exactly one motor platform that is designed to operate the motor at a first operating voltage and a second operating voltage different from the first operating voltage. The motor platform includes a circuit, preferably a delta circuit or a star circuit, formed in each case by three phases with ...