ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,661, issued on July 1, was assigned to Eljen Corp. (Windsor, Conn.).
"Fluid drainage system with textured core sheets" was invented by James M. King (Ellington, Conn.) and Scott Moore (Oxford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wastewater treatment system includes a cavity configured to receive a flow of wastewater for treatment. One or more core sheets are arranged within the cavity in a position to be contacted by wastewater entering the cavity. The core sheet has a primary textured surface enhances retention of wastewater fluid received by the unit, which over time causes an increase in build-up of biomatter on the surface, whi...