ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,395,058, issued on Aug. 19, was assigned to Guangdong University of Technology (Guangzhou, China).

"Frame-type bilateral reverse permanent magnet direct current linear motor" was invented by Ping Ma (Guangzhou, China), Heng Ding (Guangzhou, China), Tengfei Deng (Guangzhou, China), Hao Chen (Guangzhou, China), Hongda Zhao (Guangzhou, China), Xinghua Wang (Guangzhou, China) and Yongsheng Ye (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A frame-type bilateral reverse permanent magnet direct current linear motor is provided, including a support frame, an iron yoke assembly with a first iron yoke, a second iron yoke and a middle iron yoke,...