ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,355, issued on June 16, was assigned to Stiebel Eltron GmbH & Co. KG (Holzminden, Germany).
"Hygienic process for an air supply system" was invented by Hubert Nolte (Hoexter, Germany) and Frank Stiebel (West Hatfield, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an air blower apparatus, in particular a jet air hand dryer, comprising: a housing having an inlet and an outlet, at least one air duct extending inside the housing between the inlet and the outlet, for guiding an air stream, a fan unit for producing a directed stream of air in the air duct, and a UV treatment unit arranged inside a section of the air duct, s...