ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,648, issued on March 18, was assigned to MEURER RESEARCH INC. (Golden, Colo.).

"Settler with a settler plate that includes a hollow support" was invented by Christopher D. Hanson (Arvada, Colo.), Galen J. M. Fitzpatrick (Denver) and Donald F. Bersell (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to settler plates for a plate settler. The settler plates generally include a hollow support with a hollow interior to receive clarified liquid from a flow channel between adjacent settler plates. An orifice is formed through the hollow support to direct clarified liquid from the flow channel into the hollow interior....