US Patent Issued to Hiso on Sept. 1 for "Air purification device capable of discharging air bidirectionally" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,108, issued on Sept. 1, was assigned to Hiso Inc (Ontario, Calif.).

"Air purification device capable of discharging air bidirectionally" was invented by Mingying Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air purification device includes an outer shell, an inner shell, a filter element, and an impeller. The outer shell has a first air outlet hole and a second air outlet hole arranged on opposite sides. The inner shell is disposed in the outer shell and includes a shell body and a volute. The shell body has a plurality of air inlet holes, and the filter element is arranged corresponding to the air inlet holes. One end of th...