IP Library › Assignment 035943/0540
Patent Assignment
Reel/Frame 035943/0540

Assignment of Assignor's Interest

Recorded: 2015-06-18 Pages: 10
Assignor
Assignee
LUBRIZOL OILFIELD SOLUTIONS, INC.
29400 LAKELAND BLVD., WICKLIFFE, OHIO, 44092
Covered Property (1)
Multiphase Drilling Systems and Methods
Patent: 9,097,085 →
Application: 12/541,242 →
Publication: US 2010/0147591
Related Assignments (12)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 14, 2011
From: STAYSKO, BOB
To: SUNCOR ENERGY INC.
Reel/Frame 025804/0766 →
Assignment of Assignor's Interest Feb 14, 2011
From: SUNCOR ENERGY INC.
To: WEATHERFORD INTERNATIONAL, INC AND WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 025804/0852 →
Assignment of Assignor's Interest Feb 14, 2011
From: WEATHERFORD INTERNATIONAL, INC AND WEATHERFORD CANADA PARTNERSHIP
To: WEATHERFORD/LAMB, INC.
Reel/Frame 025804/0888 →
Assignment of Assignor's Interest Feb 14, 2011
From: CORB, KEITH KENNETH; BUTLER, STUART DWIGHT; JOLLYMORE, GREGG MACKAY
To: WEATHERFORD/LAMB, INC.
Reel/Frame 025804/0722 →
Assignment of Assignor's Interest Feb 14, 2011
From: ENGINEERING DRILLING SOLUTIONS, INC.
To: SUNCOR ENERGY INC.
Reel/Frame 025804/0828 →
Corrective Assignment to Correct the Assignor's Name Previously Recorded on Reel 025804 Frame 0828. Assignor(S) Hereby Confirms the Assignment. Apr 13, 2011
From: DANIEL GUY POMERLEAU, BY ENGINEERING DRILLING SOLUTIONS, INC.
To: SUNCOR ENERGY INC.
Reel/Frame 026117/0045 →
Assignment of Assignor's Interest Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →
Assignment of Assignor's Interest Sep 8, 2015
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 036511/0513 →
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 →
Patent Security Interest Assignment Agreement Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →