IP Library › Assignment 048225/0511
Patent Assignment
Reel/Frame 048225/0511

Merger

Recorded: 2019-02-04 Pages: 4
Assignor
LUBRIZOL OILFIELD SOLUTIONS, INC.
Executed: 2017-12-01
Assignee
THE LUBRIZOL CORPORATION
29400 LAKELAND BLVD., WICKLIFFE, OHIO, 44092-2298
Covered Property (1)
Reusable High Performance Water Based Drilling Fluids
Application: 14/506,137 →
Publication: US 2015/0096808
Related Assignments (9)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Assignment of Assignor's Interest Apr 24, 2019
From: THE LUBRIZOL CORPORATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 048977/0357 →
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 →
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 →