ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,284, issued on Dec. 16, was assigned to CSG POWER GENERATION Co. LTD. MAINTENANCE AND TEST COMPANY (Guangzhou, China).

"Dynamic-balance test method and apparatus for rigid rotor, device, and medium" was invented by Yalin Jia (Guangzhou, China), Qing Li (Guangzhou, China), Yu Gong (Guangzhou, China), Haixia Yang (Guangzhou, China), Dongyang Hu (Guangzhou, China), Xiangdong Liu (Guangzhou, China), Yakang Zhao (Guangzhou, China), Peng Ling (Guangzhou, China), Dejiang Hu (Guangzhou, China), Yuxi Wu (Guangzhou, China), Ying Wang (Guangzhou, China), Yu Peng (Guangzhou, China), Yuanfei Chen (Guangzhou, China), Liangliang Nie (Guangzhou, China), Minghao Huang (Guangzhou, China), Jun Jiang...