ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,455, issued on May 5, was assigned to Chongqing University (Chongqing, China) and Chongqing Yisilun Technology Co. Ltd. (Chongqing, China).

"Bevel gear pair with constant meshing characteristics constructed tooth pair" was invented by Bingkui Chen (Chongqing, China), Dongyu Wang (Chongqing, China), Luhe Zhang (Chongqing, China), Xinxin Ye (Chongqing, China), Wenjun Luo (Chongqing, China), Yonghong Chen (Chongqing, China), Chaoyang Li (Chongqing, China), Changyan Peng (Chongqing, China) and Hehe Lu (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bevel gear pair with constant meshing characteristics with a constructed tooth pair is pr...