ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,612, issued on Feb. 17, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).

"Conveying device and production line" was invented by Xielin Yang (Ningde, China), Feng Guan (Ningde, China) and Hongyan Liao (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conveying device includes a bracket, a conveyor belt, a first shaft, a second shaft, a support seat, and a bearing seat. The first shaft is threaded through an annular space of the conveyor belt, and the second shaft is threaded through the annular space of the conveyor belt. The first shaft and the second shaft are separately located at two ends of the conveyor bel...