ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,458, issued on April 21.
"Portable water softener with integrated pre-filter for RVs" was invented by Constantin Olaru (Bucharest, Romania).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable water softener with an integrated pre-filter, designed specifically for use in recreational vehicles (RVs). The device combines water filtration and softening in a single, compact unit, providing an efficient solution for improving water quality in mobile environments. The pre-filter removes impurities such as sand, rust, sediments, bad taste, odour, and volatile organic compounds (VOCs) before the water enters the softening chamber (104). The softening c...