ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,781, issued on Jan. 13, was assigned to HSP Hochspannungsgerate GmbH (Troisdorf, Germany).

"Method and device for monitoring a three-phase network operated in a compensated manner for a tuning change of the arc suppression coil" was invented by Markus Aigner (Stadl-Paura, Austria), Thomas Schinerl (Horsching, Austria) and Hannes Schuster (Marchtrenk, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for monitoring a three-phase network that is operated in a compensated manner for a tuning change of the arc suppression coil. Reference network parameters and a reference network frequency are determined for a tuned state, and a current ne...