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. 31, 2019
Filed:
Oct. 18, 2016
Applicant:
Electrical Subsea & Drilling As, Straume, NO;
Inventors:
Thor Arne Haverstad, Vennesla, NO;
Erik Norbom, Hoevik, NO;
J. Gilbert Nance, Katy, TX (US);
John L. Alsup, Houston, TX (US);
Bolie C. Williams, Houston, TX (US);
Assignee:
ELECTRICAL SUBSEA & DRILLING AS, Straume, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/062 (2013.01); E21B 33/061 (2013.01); E21B 33/063 (2013.01);
Abstract
A ram for a blowout preventer, the ram having a top side and a bottom side, a front and a back; a first front seal face and a second front seal face provided on the front of the ram; a fluid communication channel extending through the ram from the front to the back thereof, the first front seal face being provided above and the second seal face below the fluid communication channel.