Patent Assignment
Reel/Frame 013576/0300
Assignment of Assignor's Interest
Recorded: 2003-04-15
Pages: 3
Assignor
KOITHAN, THOMAS
Executed: 2003-04-08
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD., HOUSTON, TEXAS, 77027
Covered Property
(1)
Method and Apparatus for Controlling Wellbore Equipment
Related Assignments
(15)
Other recorded transfers of the patent in this record — the chain of ownership.
Notice of Grant of Security Interest
Jun 15, 2006
From: TRIOSYN HOLDING INC.
To: VANTAGE POINT CDP PARTNERS, L.P.
Reel/Frame 017783/0778 →
Notice of Grant of Security Interest
Jun 15, 2006
From: TRIOSYN CORP.; HENO-BIOTECH INC.; TRIOSYN HOLDING INC.; TRIOSYN RESEARCH INC. (F/K/A HYDRO-BIO TECH INC.)
To: VANTAGEPOINT CDP PARTNERS, L.P.
Reel/Frame 017783/0587 →
Release of Security Interest and Collateral
Jun 27, 2007
From: VANTAGEPOINTE CDP PARTNER, L.P.
To: TRIOSYN CORP.; HEMO-BIOTECH INC., TRIOSYN HOLDING INC., TRIOSYN RESEARCH INC.
Reel/Frame 019511/0644 →
Release of Security Interest and Collateral
Jun 27, 2007
From: VANTAGEPOINT CDP PARTNERS, L.P.
To: TRIOSYN HOLDING INC.
Reel/Frame 019511/0619 →
Security Agreement
Jan 8, 2009
From: TRIOSYN CORP.
To: SILICON VALLEY BANK
Reel/Frame 022078/0275 →
Release
Dec 16, 2010
From: SILICON VALLEY BANK
To: TRIOSYN HOLDING INC.
Reel/Frame 025641/0732 →
Release
Dec 16, 2010
From: SILICON VALLEY BANK
To: TRIOSYN CORP.
Reel/Frame 025641/0727 →
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →
Security Interest
Dec 18, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY INC.
To: WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT
Reel/Frame 051891/0089 →
Security Interest
Dec 26, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT
Reel/Frame 051419/0140 →
Security Interest
Aug 28, 2020
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 054288/0302 →
Release of Security Interest
Aug 28, 2020
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 053838/0323 →
Security Interest
Oct 1, 2021
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057683/0706 →
Release of Security Interest
Oct 1, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 057683/0423 →
Patent Security Interest Assignment Agreement
Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →