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:
Apr. 26, 2016
Filed:
Dec. 07, 2012
Applicant:
Diamond Offshore Drilling, Inc., Houston, TX (US);
Inventors:
Donald Paul Howard, Houston, TX (US);
Alan Hugh Summers, Houston, TX (US);
Harris A. Reynolds, Jr., Houston, TX (US);
Kati Rachelle Andrus, Houston, TX (US);
Assignee:
Diamond Offshore Drilling, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 17/01 (2006.01); F16F 15/00 (2006.01); B63B 21/66 (2006.01); B63B 39/00 (2006.01);
U.S. Cl.
CPC ...
E21B 17/012 (2013.01); F16F 15/00 (2013.01); B63B 21/663 (2013.01); B63B 39/005 (2013.01);
Abstract
A substantially cylindrical buoyancy module for a marine riser includes a plurality of buoyancy elements separated along at least one helical separation plane.