ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,361, issued on April 14, was assigned to ASIA VITAL COMPONENTS Co. LTD. (New Taipei City, Taiwan).
"Fan impeller structure" was invented by Sung-Wei Sun (New Taipei City, Taiwan), Chu-Hsien Chou (New Taipei City, Taiwan), Yi-Chih Lin (New Taipei City, Taiwan) and Pei-Chuan Lee (New Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan impeller structure includes a hub having a top and a sidewall; and a plurality of blades being circumferentially spaced on the sidewall. Each of the blades has a barrier zone formed at a tip portion of the blade; the barrier zone is used to prevent or block fluid at a lower side of the blade to turn...