ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,519, issued on Jan. 13, was assigned to TAIAN BIO-CELL TEC Co. LTD. (Taipei, Taiwan).
"Negative ion generator" was invented by Kun-Quan Zhan (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The negative ion generator includes an air spray unit, a water reservoir unit, an oscillation illumination assembly, an outer cylinder, and an air blower unit. A dual-nozzle assembly on the air spray unit is designed with a rotary knob mechanism, providing both a vertical and an oblique channel so that users can choose between a direct or oblique spray of the mist. A high-magnetic energy ring within the air spray unit can highly magnetize the passin...