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:
Dec. 01, 2015
Filed:
May. 28, 2013
Applicant:
Petrowell Limited, Aberdeen, GB;
Inventors:
Damien Gerard Patton, Kennethmont, GB;
Davidson Harman, Aberdeen, GB;
Assignee:
Petrowell Limited, Aberdeen, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/03 (2006.01); E21B 34/06 (2006.01); E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
E21B 34/06 (2013.01); E21B 34/10 (2013.01); F16K 15/03 (2013.01); Y10T 137/86389 (2015.04);
Abstract
A valve assembly comprises a conduit having a throughbore and defining a longitudinal axis, a sealing member that is moveable between an open configuration in which the throughbore of the conduit is open, and a sealing configuration in which the sealing member is arranged to substantially obturate the throughbore of the conduit, wherein in the sealing configuration, the sealing member seals the throughbore along a sealing line at least a part of which is angled relative to a direction perpendicular to the axis of the throughbore.