IP Library › Assignment 029878/0085
Patent Assignment
Reel/Frame 029878/0085

Change of Address

Recorded: 2013-02-26 Pages: 2
Assignor
PETROWELL LIMITED
Executed: 2013-01-28
Assignee
PETROWELL LIMITED
WEATHERFORD CENTRE SOUTERHEAD ROAD, ALTENS INDUSTRIAL ESTATE, ABERDEEN, AB12 3LF, UNITED KINGDOM
Covered Properties (6)
Method of and Apparatus for Completing a Well
Patent: 8,833,469 →
Application: 12/677,660 →
Publication: US 2010/0200244
Valve Assembly
Application: 12/739,063 →
Publication: US 2010/0301242
Pressure Actuable Downhole Tool and a Method for Actuating the Same
Patent: 8,567,510 →
Application: 12/811,108 →
Publication: US 2010/0300703
Switching Device for, and a Method of Switching, a Downhole Tool
Patent: 9,103,197 →
Application: 12/866,822 →
Publication: US 2011/0248566
Flow Control Device
Patent: 8,827,238 →
Application: 13/131,459 →
Publication: US 2011/0297254
Apparatus and Method for Downhole Communication
Patent: 9,488,046 →
Application: 13/389,630 →
Publication: US 2012/0146806
Related Assignments (15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 26, 2010
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 024291/0440 →
Assignment of Assignor's Interest Jun 14, 2010
From: PATTON, DAMIEN GERARD; HARMAN, DAVIDSON
To: PETROWELL LIMITED
Reel/Frame 024528/0440 →
Assignment of Assignor's Interest Aug 13, 2010
From: CHRISTIE, STEWART; LIPP, NIALL
To: PETROWELL LIMITED
Reel/Frame 024836/0460 →
Assignment of Assignor's Interest Oct 14, 2010
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 025136/0768 →
Assignment of Assignor's Interest Aug 19, 2011
From: GEDDES, FRAZER; SOOD, ATUL B.; ANDERSON, GILBERT ALEXANDER
To: PETROWELL LIMITED
Reel/Frame 026788/0219 →
Assignment of Assignor's Interest Feb 29, 2012
From: PURKIS, DANIEL
To: PETROWELL LIMITED
Reel/Frame 027779/0917 →
Assignment of Assignor's Interest May 9, 2017
From: PETROWELL LIMITED
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 042425/0705 →
Assignment of Assignor's Interest Aug 9, 2017
From: PETROWELL, LTD.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043506/0292 →
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 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 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 →
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 →
Patent Security Interest Assignment Agreement Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →