ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,951, issued on Oct. 28, was assigned to KENNAMETAL INC. (Latrobe, Pa.).
"Wear resistant fluid ends" was invented by Mike Kelly (Anaheim, Calif.) and Joshua Singley (Latrobe, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, fluid ends are described herein having structure and design addressing degradation mechanisms in pumping operations employing fluids comprising abrasive particles. Briefly, a fluid end for a reciprocating pump comprises a body portion comprising a bore having an inner diameter surface, and a reciprocating plunger at least partially disposed in the bore. A sleeve is positioned within the bore between the inner diam...