IP Library › Assignment 070423/0404
Patent Assignment
Reel/Frame 070423/0404

Assignment of Assignor's Interest

Recorded: 2025-03-06 Pages: 6
Assignors
LUFKIN LIFT SOLUTIONS LLC
Executed: 2025-03-06
LUFKIN US ACQUISITION COMPANY, LLC
Executed: 2025-03-06
Assignee
RAVDOS HOLDINGS INC.
811 WILLOW OAK DRIVE, MISSOURI CITY, TEXAS, 77489
Covered Properties (12)
Gas Lift Valve
Downhole Gas/Liquid Separator and Method
Patent: 7,104,321 →
Application: 10/688,677 →
Publication: US 2005/0081718
Plunger Adapter with Sandwiper for Downhole Pump
Patent: 9,341,183 →
Application: 13/832,718 →
Pump Rod Connection
Application: 15/373,793 →
Publication: US 2018/0163485
Sealing Tubing Anchor Catcher
Application: 16/846,002 →
Publication: US 2020/0325750
System and Methodology Including Strain Filter in Downhole Pumps
Application: 16/965,159 →
Publication: US 2021/0222524
Mechanical Hold Down with Internal Strainer
Application: 18/615,844 →
Publication: US 2024/0229612
Plunger Adapter
Patent: 700,622 →
Application: 29/418,661 →
Plunger Adapter
Patent: 682,317 →
Application: 29/425,948 →
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 (17)
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 →
Assignment of Assignor's Interest Aug 28, 2019
From: SONG, FEI; LI, KE KEN; BOYER, LEMOYNE; LIU, QINGBIN
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 050188/0116 →
Assignment of Assignor's Interest Aug 12, 2020
From: CARRUTH, DON V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053476/0412 →
Assignment of Assignor's Interest Aug 12, 2020
From: CARRUTH, DON V.
To: DON-NAN PUMP AND SUPPLY CO., INC.
Reel/Frame 053471/0077 →
Assignment of Assignor's Interest Aug 12, 2020
From: DON-NAN PUMP AND SUPPLY CO., INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053471/0291 →
Assignment of Assignor's Interest Aug 13, 2020
From: VALENZUELA, CHRISTOPHER
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053482/0582 →
Assignment of Assignor's Interest Sep 3, 2020
From: VALENZUELA, CHRISTOPHER; THOMPSON, MICHAEL
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053680/0946 →
Assignment of Assignor's Interest Sep 25, 2020
From: ZACHRY, BRANDON
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 053880/0001 →
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 →
Recordable Confirmatory Patent Assignment Feb 2, 2021
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: LUFKIN LIFT SOLUTIONS, LLC (F/K/A SCHLUMBERGER LIFT SOLUTIONS, LLC)
Reel/Frame 055206/0199 →
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 →
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 →
Assignment of Assignor's Interest Aug 27, 2025
From: VALENZUELA, CHRISTOPHER
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 072125/0885 →
Confirmatory Assignment Aug 27, 2025
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: LUFKIN LIFT SOLUTIONS, LLC
Reel/Frame 072607/0231 →