ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,979, issued on Dec. 2, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Wheel-footed bimodal mechanical leg and robot" was invented by Dongsheng Zhang (Shenzhen, China), Kun Xiong (Shenzhen, China), Xiangyu Chen (Shenzhen, China), Sicheng Yang (Shenzhen, China), Qinqin Zhou (Shenzhen, China), Liangwei Xu (Shenzhen, China), Qiwei Xu (Shenzhen, China), Wanchao Chi (Shenzhen, China), Xiong Li (Shenzhen, China) and Zhengyou Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot comprises a wheel-footed bimodal mechanical leg having a driving apparatus, a thigh unit, and a calf unit. A joint end of the thigh unit is h...