ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,764, issued on June 16, was assigned to Siemens Energy Inc. (Orlando, Fla.).

"High current density electric machine" was invented by Bobby A Warren (Fort Mill, S.C.), Raul Ricardo Rico (Oviedo, Fla.) and Christopher Lowry (McAdenville, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine includes a stator having a stator bore and a stator winding. The stator winding is arranged to one of receive an electrical current and produce an electrical current having a power between 1 MW and 50 MW. The stator has a stator current density of greater than 5 A/mm2. A rotor is at least partially disposed within the stator bore and has a rotor w...