ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,909, issued on July 14, was assigned to CSG POWER GENERATION Co. LTD. MAINT. AND TEST CO. (Guangzhou, China).

"Method and device for pumping start test for pumped storage engine, and apparatus" was invented by Qing Li (Guangzhou, China), Yu Gong (Guangzhou, China), Peng Ling (Guangzhou, China), Yakang Zhao (Guangzhou, China), Xiangdong Liu (Guangzhou, China), Yalin Jia (Guangzhou, China), Hao Wu (Guangzhou, China) and Liangliang Nie (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for a pumping start test for a pumped storage engine, and an apparatus are disclosed. The method includes: obtaining a switch state of ...