ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,525, issued on Feb. 17, was assigned to Autoflight (Kunshan) Co. Ltd. (Jiangsu Province, China).
"Aircraft support arm" was invented by Yu Tian (Hong Kong SAR, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft and its associated aircraft linear support arms. The aircraft linear support arms include at least a rotor motor and a propeller. The rotor motor is connected to the propeller, and the linear support arm has a cross-sectional shape of an inverted teardrop shape. The streamlined structure of the inverted teardrop-shaped arm can reduce eddy currents formed by the propeller's downwash flow due to interference caused by the aircraft...