ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,197, issued on April 21, was assigned to DELTA ELECTRONICS INC. (Taoyuan City, Taiwan).
"Fan mechanism" was invented by Wei-Ming Lai (Taoyuan City, Taiwan), Ting-Ying Chuang (Taoyuan City, Taiwan), Chien-Yu Chen (Taoyuan City, Taiwan) and Chi-Chang Teng (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan mechanism is provided. The fan mechanism includes an upper base, a lower base, and a plurality of blades. The blades are disposed between the upper base and the lower base, and each of the blades includes a first surface and a second surface. The second surface has a first contact portion and a second contact portion on oppos...