ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,445, issued on March 11, was assigned to Agile Robots SE (Munich) and Beijing Siling Robot Technology Co. Ltd. (Beijing).

"Mechanical arm joint" was invented by Zhaopeng Chen (Beijing), Xuebin Su (Beijing), Yuechao Zaho (Beijing), Qian Wang (Beijing) and Georg Stillfried (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a mechanical arm joint which comprises a hollow shaft and a brake assembly, a motor assembly, a harmonic reducer assembly, an output assembly, a housing assembly, and a measurement assembly which are disposed outside the hollow shaft, the measurement assembly includes a torque sensor, and the torque sen...