ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,404, issued on Oct. 21, was assigned to Hefei University of Technology (Hefei, China).

"Circular pipe filament winding process simulation method, system, medium, and product" was invented by Jianhui Fu (Hefei, China), Lei Zu (Hefei, China), Guiming Zhang (Hefei, China), Qian Zhang (Hefei, China), Helin Pan (Hefei, China), Qiaoguo Wu (Hefei, China), Lichuan Zhou (Hefei, China) and Debao Li (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circular pipe filament winding process simulation method includes: according to the geometric parameter of the circular pipe and the current pseudo dome parameter, constructing the stepped shaft circula...