Patent Assignment
Reel/Frame 022352/0157
Assignment of Assignor's Interest
Recorded: 2009-03-05
Pages: 5
Assignor
LU, XIAOBIN
Executed: 2009-03-04
Assignee
VAREL INTERNATIONAL, IND., L.P.
1434 PATTON PLACE, SUITE 106, CARROLLTON, TEXAS, 75007
Covered Property
(1)
Method of Texturing a Bearing Surface of a Roller Cone Rock Bit
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Jun 17, 2010
From: VAREL INTERNATIONAL IND., L.P.
To: LEHMAN COMMERCIAL PAPER INC.
Reel/Frame 024547/0944 →
Security Agreement
Mar 1, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF LIMITED
Reel/Frame 025877/0447 →
Notice of Substitution of Agent in Intellectual Property
Sep 16, 2011
From: LEHMAN COMMERCIAL PAPER INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 027127/0635 →
Security Agreement
Sep 26, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF II LIMITED
Reel/Frame 026970/0678 →
Release of Security Interest
Sep 27, 2011
From: DRILLBIT WCF LIMITED
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 026972/0575 →
Release of Security Interest
Feb 8, 2012
From: DRILLBIT WCF II LIMITED
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 027787/0370 →
Release of Security Interest
Jan 16, 2013
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 029644/0462 →
Patent Security Agreement
Jan 23, 2013
From: VAREL INTERNATIONAL IND., L.P.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 029682/0024 →
Security Agreement
Jan 31, 2013
From: VAREL INTERNATIONAL ENERGY FUNDING CORP.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 029731/0721 →
Release of Security Interest
Jun 4, 2014
From: CREDIT SUISSE AG, CAYMAN ISLAND BRANCH
To: VAREL INTERNATIONAL IND., L.P
Reel/Frame 033083/0969 →