ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,898, issued on Dec. 30, was assigned to ZODIAC POOL CARE EUROPE (Belberaud, France).

"Battery powered automatic swimming pool cleaners and associated components" was invented by Arnaud Lancry (Beaupuy, France), Louis Favie (Colomiers, France) and Remi Deloche (Toulouse, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic swimming pool cleaner may include a modular battery block attachable to a component of the automatic swimming pool cleaner. The modular battery block may include at least one battery or other source of electrical power that is accessible from externally of the chassis. A venting system or arrangement may be included f...