ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,308, issued on Feb. 10, was assigned to Kerr Machine Co. (Sulphur, Okla.).
"Multi-piece fluid end" was invented by Mark S. Nowell (Ardmore, Okla.), Kelcy Jake Foster (Sulphur, Okla.), Micheal Cole Thomas (Ardmore, Okla.) and Christopher Todd Barnett (Stratford, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end is formed from a first body attached to a separate second body. Each body includes an external surface. When the bodies are attached, their respective external surfaces are in flush engagement. A plurality of bores are formed in the second body that are alignable with a plurality of corresponding bores formed in the first body. ...