ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,829, issued on Jan. 13, was assigned to QINGDAO UNIVERSITY OF TECHNOLOGY (Qingdao, China), CHONGQING UNIVERSITY (Chongqing, China) and SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY Co. LTD (Shanghai).

"Method and system for injecting cutting fluid during milling under different working conditions" was invented by Changhe Li (Qingdao, China), Qingan Yin (Qingdao, China), Huajun Cao (Qingdao, China), Yonghong Liu (Qingdao, China), Wenfeng Ding (Qingdao, China), Naiqing Zhang (Qingdao, China), Lan Dong (Qingdao, China), Zhenjing Duan (Qingdao, China), Yanbin Zhang (Qingdao, China), Xiufang Bai (Qingdao, China), Menghua Sui (Qingdao, China), Wentao Wu (Qingdao, China), Teng Gao (Qingdao, ...