ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,907, issued on Jan. 27, was assigned to Chengdu NUWA Robotics Corp Xiamen Branch (Xiamen, China).
"Universal wheel" was invented by Xiguo Hao (Xiamen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a universal wheel including a support base, the support base including a top portion connected with a steering assembly that enables 360deg rotation of the universal wheel, and a rolling assembly, the rolling assembly including an axle and a roller rotatably connected to the axle. A coordinate system is constructed with a center of the roller as an origin, a traveling direction of the roller as a negative direction of an absc...