ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,613, issued on Jan. 27, was assigned to Clearflow Group Inc. (Sherwood Park, Canada).

"Treated floc curtains" was invented by Gerald Hanna (Sherwood Park, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method are provided for removing ultra fine sediment suspended in water where the apparatus includes a sheet of open weave textile material, such as jute, that has a polymer flocculant applied thereto to provide a floe curtain for the water to flow through such that the suspended sediment can contact the flocculant and precipitate out of the water. The sheet comprises a top edge and a bottom edge with a top border disposed alon...