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:
Aug. 09, 2016
Filed:
Jun. 28, 2012
Applicant:
Øystein Møgedal, Borgen, NO;
Inventor:
Øystein Møgedal, Borgen, NO;
Assignee:
Aker Subsea AS, Lysaker, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 34/04 (2006.01); F16K 3/02 (2006.01);
U.S. Cl.
CPC ...
E21B 34/04 (2013.01); F16K 3/0263 (2013.01);
Abstract
The invention provides a gate valve for control of production of petroleum, distinctive in that the valve comprises a coating or hard facing on the internal bore surface exposed to flow of petroleum and associated fluids and solids.