Patent Assignment
Reel/Frame 046992/0605
Assignment of Assignor's Interest
Recorded: 2018-09-27
Pages: 9
Assignors
JIANG, WENHUI
Executed: 2018-05-10
LIU, FENGXIAO
Executed: 2018-05-09
LOCKSTEDT, ALAN W.
Executed: 2018-06-05
BRINEGAR, DOYLE WAYNE
Executed: 2018-06-19
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Heat Treated Heavy Weight Drill Pipe
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 3, 2020
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 051414/0498 →
Abl Patent Security Agreement
Mar 17, 2020
From: WELLBORE INTEGRITY SOLUTIONS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 052184/0900 →
Release of Security Interest
Jul 20, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 056910/0165 →