US Patent Issued to Kerr Machine on Nov. 18 for "Fracturing pump arrangement using a plunger with an internal fluid passage" (Oklahoma, Texas Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,910, issued on Nov. 18, was assigned to Kerr Machine Co. (Sulphur, Okla.).

"Fracturing pump arrangement using a plunger with an internal fluid passage" was invented by Kelcy Jake Foster (Sulphur, Okla.), Christopher Todd Barnett (Stratford, Okla.), Micheal Cole Thomas (Azle, Texas), John Keith (Ardmore, Okla.) and Nicholas Son (Davis, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end made of a housing and a plunger reciprocating therein. The plunger has a hollow bore formed therein, and a valve assembly situated on one end of the plunger. The plunger may have a sleeve situated within the bore that aids in the installation of the valve...