ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,252, issued on June 2, was assigned to Eddy Pump Corp. (El Cajon, Calif.).

"Dredge system" was invented by Daniel Wahlgren (Escondido, Calif.) and Roberto Gonzalez (Chula Vista, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dredge system includes a dredger, a conduit and a self-priming pump. The dredger has an internal area and an outlet, and is configured to feed material into the internal area of the dredger. The conduit is coupled to the dredger adjacent the outlet and configured to transport the material from the internal area of the dredger to a receptacle. The self-priming pump is coupled to the conduit and is configured to pump the m...