ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,765, issued on Dec. 16.
"Pet water bowl tank" was invented by John Gerwatosky (Huntington Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pet hydration system is disclosed that integrates a self-refilling reservoir, filtration, and spill-mitigation features in a compact assembly. A base defines a reserve basin fluidly coupled to a dispensing basin through a replaceable filter that may be passive or pump-assisted and optionally incorporates ultraviolet-C sterilization. An inverted water tank seats on the base and gravity-feeds the reserve basin; an air-lock vent admits replacement air only when the reserve-basin level drops, preventing...