ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,017, issued on May 27, was assigned to Zhejiang TOPSUN Logistic Control Co. Ltd. (Yuhuan, China).

"Tiering device for a freight compartment" was invented by Buqin Ruan (Yuhuan, China), Zhaoyin Xiao (Yuhuan, China), Zhengzhong Zhu (Yuhuan, China) and Xiaomin Chen (Yuhuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a tiering device for a freight compartment, which pertains to the technical field of logistic and transportation equipment. It solves the problem in the prior art that existing tiering devices for a freight compartment occupy a relatively large space inside the freight compartment. The tiering device...