ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,881, issued on May 20, was assigned to TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD. (Shenzhen, China).

"Air purifier and air ventilation device having the same" was invented by Shin-Wen Chen (New Taipei, Taiwan), Jing-Wei Li (Guangdong, China), Sheng-Jie Ding (Guangdong, China) and Jian-Chao Song (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air purifier includes a ventilation cover, a filtering component, and a sterilization component. The ventilation cover has an air inlet and an air outlet. The filtering component is fixed at the air outlet. The sterilization component is disposed between the air inlet and the air outlet. An air ...