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:
Apr. 16, 2019
Filed:
Dec. 16, 2015
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventor:
Hans Paul Hopper, Aberdeen, GB;
Assignee:
Cameron International Coporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 47/08 (2006.01); E21B 34/02 (2006.01); E21B 34/04 (2006.01); F16K 3/24 (2006.01); F16K 17/168 (2006.01); F16K 5/04 (2006.01); F16K 1/14 (2006.01); F16K 1/22 (2006.01); F16K 47/04 (2006.01);
U.S. Cl.
CPC ...
F16K 47/08 (2013.01); E21B 34/02 (2013.01); E21B 34/04 (2013.01); F16K 3/246 (2013.01); F16K 1/14 (2013.01); F16K 1/22 (2013.01); F16K 5/04 (2013.01); F16K 17/168 (2013.01); F16K 47/04 (2013.01);
Abstract
A valve assembly that includes a main valve having a valve member moveable between a closed position and an open position. The main valve has an upstream side and a downstream side. The valve assembly includes a pressure equalizing assembly for equalizing the fluid pressure across the main valve. The pressure equalizing assembly includes a line extending from the upstream side of the main valve to the downstream side of the main valve and a pressure equalizing valve assembly.