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:
Mar. 14, 2023
Filed:
Jul. 31, 2019
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventors:
Randall Ferrain Weaver, McAlester, OK (US);
Clifton Dee Eggleston, McAlester, OK (US);
Assignee:
National Oilwell Varco, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/062 (2013.01);
Abstract
A blowout preventer including a housing including a central passage and a first aperture, and a first ram assembly slidably disposed in the first aperture, wherein the first ram assembly includes a ram block and an actuator configured to rotate the ram block when the ram block is disposed in the first aperture of the housing.