ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,815, issued on Aug. 19, was assigned to KB Foundry Services LLC (Independence, Ohio).
"Method and system for cleaning sand" was invented by Mark R. Pine (Burbank, Ohio), Zachary R. Pine (Cleveland) and Michael L. Lenahan (South Bend, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for processing a sand product includes a process tank having a first compartment, a second compartment in fluid communication with the first compartment, and a third compartment that is isolated from the first compartment and the second compartment. The system also includes a first hydrocyclone configured to receive a sand mixture comprising the sand product a...