ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,079, issued on Jan. 27, was assigned to Hunan Chaoyu Technology Co. Ltd. (Chenzhou, China).
"Circulation fan" was invented by Kanjian Li (Chenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circulation fan is disclosed, including a base, a blowing assembly and a connecting assembly, where the blowing assembly includes blades, a shield, a storage bin, and a motor for driving the blades to rotate; the connecting assembly includes a first bracket and a second bracket, a gear is provided between the first bracket and the shield, and a side face of the shield is provided with a thread cooperating with the gear; one end of the shield near the...