Patent Assignment
Reel/Frame 030140/0764
Assignment of Assignor's Interest
Recorded: 2013-04-03
Pages: 3
Assignor
SAMAYAMANTULA, JYOTHI SWAROOP
Executed: 2013-04-02
Assignee
CARRUTH, DON V.
P.O. BOX 11367, MIDLAND, TEXAS, 79702
Covered Property
(1)
Plunger Adapter with Sandwiper for Downhole Pump
Patent:
9,341,183 →
Application:
13/832,718 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 12, 2020
From: CARRUTH, DON V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053476/0412 →
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 →