ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,398, issued on June 16, was assigned to Siemens Energy Inc. (Orlando, Fla.).

"System and method for evaluating the condition of an electric machine" was invented by Vladimir Leonov (Oviedo, Fla.), Harold Brassert (Pittsburgh), Thomas I. Nelson (Oviedo, Fla.) and Richard Mueller (Manor, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine includes laminations stacked along a longitudinal axis to define a stator core. The laminations cooperate to define a plurality of slots that extend in a direction parallel to the longitudinal axis, and include a first lamination, a second lamination, and an insulation layer between the first lamin...