ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,634, issued on Sept. 29, was assigned to MASCHINENFABRIK REINHAUSEN GmbH (Regensburg, Germany).

"On-load tap changer and tap-changing transformer having an on-load tap changer" was invented by Christian Hammer (Regensburg, Germany), Wolfgang Albrecht (Wenzenbach, Germany), Michael Schmeisser (Regensburg, Germany) and Christian Kotz (Schorndorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An on-load tap-changer provides uninterrupted diverter switch operation between different winding taps of a tap-changing transformer. The on-load tap-changer includes: a flange module; and a union nut. The on-load tap-changer is configured to be fastened...