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. 13, 2018
Filed:
Dec. 16, 2015
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventor:
Hans Paul Hopper, Aberdeen, GB;
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/04 (2006.01); E21B 34/02 (2006.01); E21B 43/36 (2006.01); F16K 17/168 (2006.01); E21B 43/34 (2006.01); B01D 17/04 (2006.01);
U.S. Cl.
CPC ...
E21B 34/02 (2013.01); B01D 17/047 (2013.01); E21B 34/04 (2013.01); E21B 43/34 (2013.01); E21B 43/36 (2013.01); F16K 17/168 (2013.01);
Abstract
A gate valve assembly, the assembly includes a gate valve having a gate assembly moveable between a closed position and an open position. The gate assembly includes a pressure equalizing assembly coupled to the gate valve that equalizes the fluid pressure across the gate valve.