ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,827, issued on May 13, was assigned to Kerr Machine Co. (Sulphur, Okla.).
"Fluid end with clamped retention" was invented by Kelcy Jake Foster (Sulphur, Okla.), Micheal Cole Thomas (Azle, Texas), Christopher Todd Barnett (Stratford, Okla.), Nicholas Son (Davis, Okla.) and John Keith (Ardmore, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end section having a clamping system. The clamping system has a primary clamp formed of a number of sections, which, disposed in end-to-end arrangement, form an annular ring. The primary clamp has an angled surface at each of two rims, which interact with complementary surfaces on flanges that form tw...