ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,135, issued on Feb. 25, was assigned to MASCHINENFABRIK REINHAUSEN GmbH (Regensburg, Germany).
"Vacuum interrupter" was invented by Klaus Hoepfl (Maxhuette-Haidhof, Germany), Silke Wrede (Zeitlarn, Germany), Markus Zintl (Mitterteich, Germany) and Anniyappan Palani (Regensburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum interrupter arrangement may be used in a tap changer. The vacuum interrupter arrangement has a vacuum interrupter; a metal shield configured to shield against external magnetic fields, the metal shield having a hollow cylindrical design and being arranged around at least a part of a cylindrical outer surface of t...