IP Library › Assignment 027120/0597
Patent Assignment
Reel/Frame 027120/0597

Assignment of Assignor's Interest

Recorded: 2011-10-26 Pages: 8
Assignor
HAMDEEN INCORPORATED LIMITED
Executed: 2009-08-12
Assignee
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH
ALPENSTRASSE 15, ZUG (6304), SWITZERLAND
Covered Properties (4)
Pipeline Pig
Patent: 6,792,641 →
Application: 09/600,902 →
Apparatus and Method for Collecting Debris in a Well Bore
Patent: 7,040,395 →
Application: 10/473,947 →
Publication: US 2004/0094302
Downhole Impeller Device
Patent: 7,455,113 →
Application: 11/515,951 →
Publication: US 2007/0056773
Cleaning Device for Downhole Tools
Patent: 7,836,947 →
Application: 11/820,484 →
Publication: US 2008/0010765
Related Assignments (11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 24, 2000
From: LAKER, KEITH
To: HAMDEEN LIMITED
Reel/Frame 010982/0216 →
Assignment of Assignor's Interest Jun 10, 2003
From: HAMDEEN (UK) LIMITED
To: HAMDEEN INCORPORATED LIMITED
Reel/Frame 014153/0495 →
Assignment of Assignor's Interest Jun 10, 2003
From: HAMDEEN LIMITED
To: HAMDEEN (UK) LIMITED
Reel/Frame 014153/0498 →
Assignment of Assignor's Interest Oct 20, 2003
From: BOOTH, RICHARD KEITH
To: HAMDEEN INCORPORATED LIMITED
Reel/Frame 014936/0429 →
Assignment of Assignor's Interest Nov 20, 2006
From: BOOTH, RICHARD KEITH
To: HAMDEEN INCORPORATED LIMITED
Reel/Frame 018617/0939 →
Assignment of Assignor's Interest Aug 15, 2008
From: BOOTH, RICHARD KEITH
To: HAMDEEN INCORPORATED LIMITED
Reel/Frame 021395/0271 →
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 →
Patent Security Interest Assignment Agreement Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →