The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 10, 2026

Filed:

Apr. 08, 2024
Applicant:

Kerr Machine Co., Sulphur, OK (US);

Inventors:

Mark S. Nowell, Ardmore, OK (US);

Kelcy Jake Foster, Sulphur, OK (US);

Micheal Cole Thomas, Ardmore, OK (US);

Christopher Todd Barnett, Stratford, OK (US);

Assignee:

Kerr Machine Co., Sulphur, OK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/16 (2006.01); F04B 53/22 (2006.01);
U.S. Cl.
CPC ...
F04B 53/164 (2013.01); F04B 53/22 (2013.01);
Abstract

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. The fluid end may be used with seals disposed within recesses within each bore to seal against corresponding sealing surfaces. Further, retaining closures may be bolted to the fluid end bodies, such that the closures have a threadless connection to the fluid end bodies. Various combinations of such components may be utilized.


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