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. 10, 2018
Filed:
Feb. 26, 2015
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventor:
Gerrit Kroesen, Friendswood, TX (US);
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/06 (2006.01); F15B 15/26 (2006.01);
U.S. Cl.
CPC ...
E21B 33/062 (2013.01); F15B 15/261 (2013.01);
Abstract
An apparatus includes a blowout preventer housing, a ram movable within the blowout preventer housing. The apparatus further including a rod configured to move the blowout preventer ram and including an outer surface and a piston configured to move the rod. A friction assembly is configured to engage the outer surface of the rod and prevent movement of the rod and the ram when engaged.