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:
Jan. 18, 2022
Filed:
Dec. 14, 2018
Applicant:
Mhwirth DO Brasil Equipamentos Ltda., Rio de Janeiro, BR;
Inventor:
David Skaarsjoe, Rio de Janeiro, BR;
Assignee:
MHWIRTH DO BRASIL EQUIPAMENTOS LTDA., Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
E21B 17/012 (2013.01); E21B 19/002 (2013.01);
Abstract
An attachment device for securing a buoyancy module to a riser, the attachment device comprising an annular collar which is split into at least two parts, and at least one flange part, which is separable from the collar and has a generally planar flange and a connecting formation by means of which the flange part may be releasably connected to the collar so that the flange extends radially outwardly relative to the collar.