ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,852, issued on Dec. 2, was assigned to SHENZHEN JISU TECHNOLOGY Co. LTD (Shenzhen, China).
"Centrifugal fan, neck fan, and vortex shell assembly" was invented by Jiahang Xie (Shenzhen, China), Guanzheng Zheng (Shenzhen, China) and Xiangfu Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A neck fan is provided and is configured to be worn around a neck of a user. The neck fan includes: a shell, defining a receiving channel; and two centrifugal fans. One of the two centrifugal fans is disposed at an end of the receiving channel, and another one of the two centrifugal fans is disposed at another end of the receiving channel. Each of th...