ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,618, issued on Nov. 25, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).
"Electrical switching device" was invented by Mahesh Dhotre (Brugg, Switzerland), Jakub Korbel (Baden, Switzerland), Matteo Papetti (Milan), Christoph Wirth (Pfungen, Switzerland), Rijo-Jude Raphael (Zurich, Switzerland) and Robert Voss (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an electrical switching device including a nominal contact arrangement, an arcing contact arrangement defining an arcing volume in which an arc-quenching medium is present, an exhaust system including a first exhaust opening connected fluidly to a tank volum...