ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,837, issued on April 7, was assigned to RENK GmbH (Germany).

"System and method for starting high inertia machines" was invented by Dan Loeffler (Augsburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system for a working machine with a working device which can be unloaded for starting, wherein the drive system comprises at least one main motor, which is designed as an electric machine, in particular as an asynchronous motor, and a motor shaft; an auxiliary motor, which is designed as an electric machine, in particular as an asynchronous motor; and a starting device for starting the auxiliary motor. The auxiliary motor is configure...