Patent Assignment
Reel/Frame 053476/0412
Assignment of Assignor's Interest
Recorded: 2020-08-12
Pages: 4
Assignor
CARRUTH, DON V.
Executed: 2020-08-05
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77042
Covered Properties
(4)
Plunger Adapter with Sandwiper for Downhole Pump
Patent:
9,341,183 →
Application:
13/832,718 →
Plunger Adapter
Patent:
717,834 →
Application:
29/449,569 →
Plunger Adapter
Patent:
717,835 →
Application:
29/449,576 →
Combined Downhole Plunger Adapter and Sandwiper for Pump
Patent:
724,104 →
Application:
29/471,983 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 22, 2014
From: SAMAYAMANTULA, JYOTHI SWAROOP
To: CARRUTH, DON V.
Reel/Frame 032014/0906 →
Recordable Confirmatory Patent Assignment
Nov 6, 2020
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: SCHLUMBERGER LIFT SOLUTIONS, LLC
Reel/Frame 054341/0311 →
Security Interest
Nov 23, 2020
From: SCHLUMBERGER LIFT SOLUTIONS LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 054443/0693 →
Change of Name
Dec 4, 2020
From: SCHLUMBERGER LIFT SOLUTIONS LLC
To: LUFKIN LIFT SOLUTIONS LLC
Reel/Frame 054600/0108 →
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 →