ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,764, issued on July 29, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Suction apparatus having a filter cleaning device" was invented by Christian Rothweiler (Leinfelden-Echterdingen, Germany) and Patrick Schlauch (Esslingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A suction apparatus includes a suction apparatus housing, including a filter for cleaning a suction flow, wherein the suction apparatus housing has at least one filter fastening element for securing the filter to the suction apparatus housing, and including a filter cleaning device for mechanically cleaning the filter. The filter, the filter fastening element and...