ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,366, issued on Sept. 22, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Tank-type circuit breaker" was invented by Motohiro Sato (Tokyo) and Yasunori Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tank-type circuit breaker includes a cylindrical grounded tank in which an insulating gas is sealed, a vacuum valve insulated and supported in the grounded tank and including a movable-side contact and a fixed-side contact, a movable conductor electrically connected to the movable-side contact, a fixed conductor electrically connected to the fixed-side contact, a movable-side external conductor and a fixed-side external conductor di...