ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,356, issued on April 14, was assigned to Shenzhen Qingchun Power Technology Co. Ltd. (Shenzhen, China).

"Omnidirectionally adjustable handheld fan" was invented by Xing Yang (Shenzhen, China) and Zhengxi Qiu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An omnidirectionally adjustable handheld fan includes a fan main body having an air outlet assembly, a handle connected to the fan main body, a detection device, and a control mainboard. The handle includes a trackball. The detection device is electrically connected to the control mainboard, the detection device is configured to detect a rotation direction of the trackball, and the...