ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,271, issued on Aug. 12.
"Underwater cleaner" was invented by Andres Frankel (Perchtoldsdorf, Austria), Benjamin Frankel (Perchtoldsdorf, Austria) and Constantin Frankel (Perchtoldsdorf, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an underwater cleaner, in particular for a swimming pool, comprising a suction nozzle housing having a suction nozzle which communicates with a suction chamber, and having a suction mouth which defines a suction plane, wherein an outlet channel stems from the suction chamber, which outlet channel has a connection for a filter device in the region of its outlet opening, and comprising at l...