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.
Patent No.:
Date of Patent:
Jul. 21, 2026
Filed:
Mar. 14, 2024
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventors:
James Sterling Evans, Owasso, OK (US);
Kyle Christopher Chady, Broken Arrow, OK (US);
Assignee:
NATIONAL OILWELL VARCO, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/16 (2006.01);
U.S. Cl.
CPC ...
F04B 53/16 (2013.01);
Abstract
A positive displacement pump system can include a fluid end block, which can be configured to provide a pumping chamber and control a flow of a fluid through the positive displacement pump system. The fluid end block can include a first cylindrical wall defining a plunger bore extending partially through the fluid end block and a second cylindrical wall defining a fluid conveying cross bore that intersects the plunger bore defining a bore intersection rim. A portion of the first bore intersection rim can include a first toroidal surface.