ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,763, issued on Jan. 27, was assigned to QINGDAO UNIVERSITY OF TECHNOLOGY (Shandong, China), HANERGY (QINGDAO) LUBRICATION TECHNOLOGY Co. LTD. (Shandong, China), GUOHUA (QINGDAO) INTELLIGENT PRECISION DRIVE CONTROL TECHNOLOGY RESEARCH INSTITUTE Co. LTD. (Shandong, China) and QINGDAO JIMO QINGLI INTELLIGENT MANUFACTURING INDUSTRY RESEARCH INSTITUTE (Shandong, China).

"Turning apparatus with minimal quantity lubrication based on magnetic circulation and ultrasound-assisted infiltration" was invented by Xin Cui (Shandong, China), Yulong Wang (Shandong, China), Yanbin Zhang (Shandong, China), Peng Gong (Shandong, China), Guang Wang (Shandong, China), Mingzheng Liu (Shandong, China), Mi...