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. 09, 2015
Filed:
Sep. 13, 2010
Applicants:
Christian B. Von Der Ohe, Kristiansand, NO;
David Bengt Johan Ankargren, Kristiansand, NO;
Inventors:
Christian B. Von Der Ohe, Kristiansand, NO;
David Bengt Johan Ankargren, Kristiansand, NO;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
E21B 19/006 (2013.01);
Abstract
An apparatus for tensioning a marine riser comprising a support for a number of actuators, where the support is connected to a vessel's structure, and where each actuator is connected to the support and to a marine riser, and where elements of the riser tensioner apparatus are enclosed.