ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,719, issued on Nov. 4, was assigned to RHT Ltd. (Hong Kong).
"Air purifiers" was invented by Chi Keung Rudy Chan (Hong Kong), Ka Wai Jim (Hong Kong) and Lam Lung Yeung (Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "In certain exemplary embodiments, an air purifier comprises a housing defining an enclosure and having an air entrance and an air exit; a particulate filter; a NCCO filter material configured to adsorb and decompose at least one gaseous pollutant; an AOG configured to generate at least one oxidant; an oxidant remover configured to remove at least one oxidant; a fan unit configured to generate airflow from the air entrance to the...