ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,144, issued on June 3, was assigned to ZODIAC POOL SYSTEMS LLC (Carlsbad, Calif.).

"Concepts underwater communication with equipment such as automatic swimming pool cleaners" was invented by Phillip Newman (Howick, South Africa) and Hendrikus Johannes van der Meijden (Midrand, South Africa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques and methods for wirelessly communicating underwater with equipment such as, but not necessarily limited to, automatic swimming pool cleaners (APCs) are detailed. Such communication avoids any need for conventional wired communication with the APCs. In some cases sounds may be used to communicate, and such so...