Patent Assignment
Reel/Frame 053215/0097
Assignment of Assignor's Interest
Recorded: 2020-07-15
Pages: 6
Assignor
PRECISION ENERGY SERVICES ULC
Executed: 2006-03-31
Assignee
WEATHERFORD CANADA PARTNERSHIP
2900 MANULIFE PLACE, 10180 - 101 STREET NW, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Properties
(2)
Borehole Apparatus and Methods for Simultaneous Multimode Excitation and Reception to Determine Elastic Wave Velocities, Elastic Modulii, Degree of Anisotropy and Elastic Symmetry Configurations
Borehole Apparatus and Methods for Simultaneous Multimode Excitation and Reception to Determine Elastic Wave Velocities, Elastic Modulii, Degree of Anisotropy and Elastic Symmetry Configurations
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 27, 2009
From: YOGESWAREN, ELAN; TELLO, LUCIO N.; BLANKINSHIP, THOMAS J.
To: PRECISION ENERGY SERVICES LTD.
Reel/Frame 022464/0193 →
Assignment of Assignor's Interest
Mar 27, 2009
From: YOGESWAREN, ELAN; TELLO, LUCIO N.; BLANKINSHIP, THOMAS J.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 022464/0529 →
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 →
Change of Name
Jul 15, 2020
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 053215/0090 →
Assignment of Assignor's Interest
Jul 15, 2020
From: WEATHERFORD CANADA PARTNERSHIP
To: WEATHERFORD CANADA LTD.
Reel/Frame 053215/0106 →
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 →