ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,999, issued on June 10, was assigned to SHAW DEVELOPMENT LLC (Bonita Springs, Fla.).

"Filter inline heater" was invented by John R. Koonce (Naples, Fla.) and Michael O'Hara (Naples, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter assembly comprising a housing, a filter, a heater, hose fittings, a heat bridge, and insulators. The housing defines interior and exterior regions communicating through apertures. The filter separate the housing into a region upstream of the filter comprising an aperture, and a region downstream of the filter comprising an aperture. The heater extends into the interior region. The hose fittings are each coincid...