ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,026, issued on June 30, was assigned to Haihong Electric Co. Ltd. (Jiangmen, China).

"Casting dry-type transformer and manufacturing method thereof" was invented by Kaixuan Xu (Jiangmen, China), Qingning Liang (Jiangmen, China), Danju Song (Jiangmen, China), Dengling Zhou (Jiangmen, China), Yixiong Liang (Jiangmen, China), Yuxiang Qi (Jiangmen, China), Fei Li (Jiangmen, China), Wenjie Fang (Jiangmen, China), Yazhong Liang (Jiangmen, China), Jingyu Tan (Jiangmen, China), Wanhuan Li (Jiangmen, China) and Chuyong Li (Jiangmen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A casting dry-type transformer and a manufacturing method thereof are disc...