ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,421, issued on Oct. 21, was assigned to Cyclone Filter Tools LLC (Murfreesboro, Tenn.).
"Portable filter cleaning system and method of cleaning a filter" was invented by Jordan Thiessen (Murfreesboro, Tenn.) and Jeff Thiessen (Murfreesboro, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable filter cleaning assembly is configured to retain a filter on support rod and allow the filter to spin from a spray of water. The spinning filter releases debris from the filter surface through centrifugal force. The assembly has drainage features to ensure proper drainage of water collected within the interior of the filter and enable proper spinning...