Patent Assignment
Reel/Frame 055206/0199
Recordable Confirmatory Patent Assignment
Recorded: 2021-02-02
Pages: 6
Assignor
SCHLUMBERGER TECHNOLOGY CORPORATION
Executed: 2021-01-11
Assignee
LUFKIN LIFT SOLUTIONS, LLC (F/K/A SCHLUMBERGER LIFT SOLUTIONS, LLC)
811 WILLOW OAK DRIVE, MISSOURI CITY, TEXAS, 77489
Covered Property
(1)
System and Methodology Including Strain Filter in Downhole Pumps
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 13, 2020
From: VALENZUELA, CHRISTOPHER
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053482/0582 →
Security Interest
Feb 4, 2021
From: LUFKIN LIFT SOLUTIONS LLC (F/K/A SCHLUMBERGER LIFT SOLUTIONS LLC)
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 055152/0792 →
Assignment of Assignor's Interest
Mar 6, 2025
From: LUFKIN LIFT SOLUTIONS LLC; LUFKIN US ACQUISITION COMPANY, LLC
To: RAVDOS HOLDINGS INC.
Reel/Frame 070423/0404 →
Partial Termination and Release of Patent Security Agreement
Apr 16, 2025
From: PNC BANK, NATIONAL ASSOCIATION
To: RAVDOS HOLDINGS INC.
Reel/Frame 070863/0829 →
Assignment of Assignor's Interest
Jul 18, 2025
From: RAVDOS HOLDINGS INC.
To: Q2 ARTIFICIAL LIFT SERVICES LLC
Reel/Frame 071755/0547 →