IP Library › Assignment 048599/0185
Patent Assignment
Reel/Frame 048599/0185

Assignment of Assignor's Interest

Recorded: 2019-03-14 Pages: 12
Assignors
CLARKSON, HUGH
Executed: 2015-09-23
KNIGHT, MATTHEW
Executed: 2015-09-23
Assignee
PETROWELL LIMITED
WEATHERFORD CENTRE, SOUTERHEAD ROAD, ALTENS INDUSTRIAL ESTATE, ABERDEEN, SCOTLAND, AB12 3LF, UNITED KINGDOM
Covered Property (1)
Downhole Communication
Application: 16/353,295 →
Publication: US 2019/0203584
Related Assignments (10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 14, 2019
From: PURKIS, DANIEL GEORGE
To: WEATHERFORD U.K. LIMITED
Reel/Frame 048599/0261 →
Assignment of Assignor's Interest Mar 14, 2019
From: PETROWELL LIMITED
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 048603/0931 →
Assignment of Assignor's Interest Mar 14, 2019
From: WEATHERFORD U.K. LIMITED
To: PETROWELL LIMITED
Reel/Frame 048599/0392 →
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 →