ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,456, issued on Oct. 27, was assigned to Hitachi Energy Ltd (Zurich, Switzerland).
"Disconnector or earthing switch" was invented by Hauke Peters (Hanau, Germany) and Dennis Goth (Obrigheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A disconnector or earthing switch for connecting three conductors of different phases to a respective switching tube, including a rotatable drive shaft including a worm and configured for operating the disconnector or earthing switch, the three respective switching tubes, which are arranged axially together movable between a connected position configured for connecting the three conductors and a disconnected ...