ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,103, issued on Dec. 30, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).

"Cover, fan unit, and ventilation fan" was invented by Ying-Huang Chuang (Taoyuan, Taiwan), Wen-Chih Li (Taoyuan, Taiwan) and Chun-Wei Chen (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cover used in a ventilation fan includes a noise reduction structure and a shelter. The noise reduction structure has an air inlet, a flat portion surrounding the air inlet, and a peripheral portion surrounding the flat portion. The sidewall of the flat portion extends in a vertical direction from the peripheral portion. The bottom surface of the flat portion extends...