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:
Jun. 16, 2020
Filed:
Jun. 23, 2015
Applicant:
Interventek Subsea Engineering Limited, Aberdeen, GB;
Inventors:
Gavin David Cowie, Aberdeenshire, GB;
John David Sangster, Aberdeen, GB;
Assignee:
Interventek Subsea Engineering Limited, Aberdeen, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/06 (2006.01); E21B 29/04 (2006.01); E21B 29/08 (2006.01); E21B 34/04 (2006.01); E21B 33/035 (2006.01);
U.S. Cl.
CPC ...
E21B 33/0355 (2013.01); E21B 34/045 (2013.01);
Abstract
A subsea test tree comprises a housing defining a flow path, a valve member mounted in the housing and an actuator coupled to the housing. A drive arrangement extends through a wall of the housing to operatively connect the actuator to the valve. The actuator is operable to operate the valve member to control fluid flow along the fluid pathway. Also disclosed are improvements to actuators.