ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,453, issued on Dec. 23, was assigned to Vitality Services LLC (Washington).
"Portable pathogen-disinfecting air filter" was invented by Juergen Weber (Deggendorf, Germany) and Erhard Hinz (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "The high-temperature pathogen-disinfecting air filter includes a first layer of heated open-cell foam contained in a housing with an air pump configured to direct airflow across thereof. The first layer of the open-cell foam may be made of a metal alloy and includes a first electrically-resistive elongated body folded in a serpentine pattern. The pattern may define a sheet-like construction of the first layer m...