Patent Assignment
Reel/Frame 017846/0362
Change of Name
Recorded: 2006-06-28
Pages: 2
Assignor
CAL DIVE INTERNATIONAL LIMITED
Executed: 2006-03-06
Assignee
WELL OPS (U.K.) LIMITED
JOHNSTONE HOUSE 52-54 ROSE STREET, ABERDEEN, AB10 1HA, UNITED KINGDOM
Covered Property
(1)
Marine Riser and Method of Use
Patent:
6,397,951 →
Application:
09/269,130 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Feb 14, 2005
From: WELL OPS (U.K.) LIMITED
To: CAL DIVE INTERNATIONAL LIMITED
Reel/Frame 016256/0858 →
Merger
Jun 15, 2006
From: CAL DIVE INTERNATIONAL, INC.
To: HELIX ENERGY SOLUTIONS GROUP, INC.
Reel/Frame 017794/0520 →
Assignment of Assignor's Interest
Jun 28, 2006
From: WELL OPS (U.K.) LIMITED
To: HELIX ENERGY SOLUTIONS GROUP, INC.
Reel/Frame 017846/0606 →
Security Agreement
Jul 24, 2006
From: HELIX ENERGY SOLUTIONS GROUP, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 017982/0114 →
Release of Lien Recorded on Reel 017982 Frame 0114 by Bank of America, N.A.
Jun 19, 2013
From: BANK OF AMERICA, N.A.
To: HELIX ENERGY SOLUTIONS GROUP, INC.
Reel/Frame 030658/0040 →
Security Agreement Supplement
Jul 3, 2013
From: HELIX ENERGY SOLUTIONS GROUP, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 030747/0560 →
Amended and Restated Patent Security Agreement Supplement
Jun 30, 2017
From: HELIX ENERGY SOLUTIONS GROUP, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 043070/0622 →