IP Library › Assignment 048977/0357
Patent Assignment
Reel/Frame 048977/0357

Assignment of Assignor's Interest

Recorded: 2019-04-24 Pages: 9
Assignor
THE LUBRIZOL CORPORATION
Executed: 2019-04-15
Assignee
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties (3)
Hydrocarbon Recovery
Patent: 7,028,771 →
Application: 10/159,176 →
Publication: US 2003/0221825
Gas Hydrate Inhibitors and Methods for Making and Using Same
Patent: 8,932,996 →
Application: 13/348,279 →
Publication: US 2013/0178399
Reusable High Performance Water Based Drilling Fluids
Application: 14/506,137 →
Publication: US 2015/0096808
Related Assignments (12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 21, 2012
From: FALANA, OLUSEGUN MATTHEW; MORROW, MICHAEL; ZAMORA, FRANK G.
To: CLEARWATER INTERNATIONAL, LLC
Reel/Frame 027734/0978 →
Assignment of Assignor's Interest Dec 18, 2014
From: MISINO, CESAR; LEONI, LUC; LU, SHAOHUA; CURTIS, GASTON WRAY
To: CLEARWATER INTERNATIONAL LLC
Reel/Frame 034539/0864 →
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →
Merger Feb 4, 2019
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: THE LUBRIZOL CORPORATION
Reel/Frame 048225/0511 →
Merger Mar 13, 2019
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: THE LUBRIZOL CORPORATION
Reel/Frame 048581/0260 →
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 →