ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,733, issued on Feb. 17, was assigned to LS ELECTRIC Co. LTD. (Anyang-si, South Korea).
"Arc extinguishing unit, interruption unit, and air circuit breaker comprising same" was invented by Kyu Ho Lee (Anyang-si, South Korea) and Il Hyun Kim (Anyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an arc extinguishing unit, a circuit breaking unit, and an air circuit breaker including the same. The present disclosure provides an arc extinguishing unit, a circuit breaking unit, and an air circuit breaker, including: side plates spaced apart from each other and disposed to face each other; a plurality of grids disposed betwee...