ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,826, issued on Feb. 17, was assigned to Crescent GDG Filter Venture LLC (Scottsdale, Ariz.).
"Non-discharge backwash filter system" was invented by Steven James Goettl (Phoenix), John M. Goettl (Phoenix) and Ross Anthony DiJulio (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backwash filtration system comprising a backwash discharge port, a sedimentation collection and separation system, and a final filtration chamber. The backwash discharge port is coupled with a pool filter system and is configured to pass backwashed water from the pool filter system to the sedimentation collection and separation system. The sedimentation collection and...