ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,104, issued on Nov. 18, was assigned to Taiwan Flying Vehicle Co. Ltd. (Hsinchu, Taiwan).
"Unmanned aerial device" was invented by Yao-Chang Lin (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned aerial device includes a body, a heat-generating assembly, and a propulsion assembly. The body has a head end, an airflow guide space, and a tail end. The head end is opposite to the tail end, and the airflow guide space is located between the head end and the tail end. The head end has an air intake, and the tail end has an exhaust vent. The airflow guide space is communicated with the air intake and the exhaust vent. The heat-gene...