ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,061, issued on March 24, was assigned to Brose Fahrzeugteile SE & Co. KG Wurzburg (Wurzburg, Germany).
"Electric motor" was invented by Kevin Koch (Furth, Germany), Michael Duncher (Wurzburg, Germany) and Daniel Hirsch (Hochberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor contains a motor shaft which is arranged in a motor housing. The motor shaft is rotatably mounted about a rotational axis in at least one rolling or ball bearing, which sits in a bearing receiving area and contains an outer ring and an inner ring fixed to the motor shaft. The outer ring of the rolling bearing is pretensioned by a spring disc which sit...