ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,820, issued on Sept. 8, was assigned to ZKW Group GmbH (Wieselburg, Austria).
"Air cleaning device" was invented by Christian Jackl (Wieselburg, Austria), Georg Pitterle (Kirnberg an der Mank, Austria) and Thomas Reiter (Ferschnitz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device for cleaning a cover lens of a vehicle headlamp is configured to generate an airstream and direct it towards the cover lens. The cleaning device includes at least one air stream device (ASD) configured to generate at least one airstream in an airflow direction. Each ASD includes an air chamber having a spreading section for spreading the received ai...