ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,487, issued on April 14, was assigned to Hitachi Energy Ltd (Zurich).
"Bushing and manufacturing method therefor" was invented by Danan Yao (Anhui, China) and Peirong Cai (Anhui, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a bushing and a manufacturing method therefor. The bushing includes a conductive tube and a central tube. The conductive tube is fixedly connected to a bottom connecting assembly and a top connecting assembly. The central tube is fixedly connected to the bottom connecting assembly and the top connecting assembly. The central tube is subjected to a compressive force in an extending direct...