ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,155, issued on March 25, was assigned to SHENZHEN CHENBEI TECHNOLOGY Co. LTD. (Shenzhen, China).
"Air purifier" was invented by Yu Tang (Shenzhen, China) and Yingchun Zhang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an air purifier which includes an outer case (10) having a filtering cavity (15) and a driving cavity (16) space apart from each other, a filter (20) received in the filtering cavity (15), a driving fan (30) received in the driving cavity (16). The outer case has at least one air inlet (17) and an air output arrangement (11). The air purifier further includes an air hub (40) provided b...