ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,605, issued on Sept. 29, was assigned to ZODIAC POOL SYSTEMS LLC (Carlsbad, Calif.).
"Automatic swimming pool cleaners especially adept at climbing and cleaning pool stairs" was invented by Hendrikus Johannes van der Meijden (Midrand, South Africa), Abian van der Meijden (Midrand, South Africa) and Dustin Borg (Poway, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described are apparatus, systems, and methods of improving cleaning of, e.g., stairs of swimming pools. Automatic swimming pool cleaners (APCs) capable of autonomous movement within water-containing vessels may be utilized to provide enhanced cleaning of sections of the vessels con...