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:
Nov. 07, 2017
Filed:
Dec. 30, 2014
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventor:
John Joseph Cocker, III, Houston, TX (US);
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/02 (2006.01); E21B 33/03 (2006.01); E21B 23/01 (2006.01);
U.S. Cl.
CPC ...
E21B 34/02 (2013.01); E21B 23/01 (2013.01); E21B 33/03 (2013.01);
Abstract
Embodiments of the present disclosure are directed towards a back pressure valve configured to mount in a mineral extraction system. The back pressure valve includes a body comprising a venting port coaxial with a longitudinal axis of the body, a plunger configured to be in sealing engagement with the body to seal the venting port, and a lock ring disposed about the body, wherein the lock ring is configured to automatically expand radially upon removal of a tool.