ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,055, issued on Nov. 18, was assigned to Hyundai Electric & Energy Systems Co. Ltd. (Seoul, South Korea).
"Earthing switch" was invented by Keon Woo Kim (Seoul, South Korea), Ji Hoon Kim (Seoul, South Korea) and Seung Hwan Baik (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earthing switch includes a fixed contact part fixed in an enclosure, a movable contact part disposed to face the fixed contact part, having a hollow portion formed therein, and having one end portion connected to a driving device and driven by the driving device so that the other end portion thereof is connected to or separated from the fixed contact part, a...