Patent Assignment
Reel/Frame 013988/0952
Assignment of Assignor's Interest
Recorded: 2003-04-22
Pages: 3
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, STE. 600, HOUSTON, TEXAS, 77027
Covered Property
(1)
Distributed Sound Speed Measurements for Multiphase Flow Measurement
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →
Patent Collateral Assignment and Security Agreement
Oct 8, 2015
From: CIDRA CORPORATE SERVICES, INC.
To: WEBSTER BANK, NATIONAL ASSOCIATION
Reel/Frame 036818/0469 →
Release and Reassignment of Patents
Sep 29, 2017
From: WEBSTER BANK, NATIONAL ASSOCIATION
To: CIDRA CORPORATE SERVICES, INC.
Reel/Frame 044097/0723 →
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 →