Patent Assignment
Reel/Frame 071755/0547
Assignment of Assignor's Interest
Recorded: 2025-07-18
Pages: 11
Assignor
RAVDOS HOLDINGS INC.
Executed: 2025-03-19
Assignee
Q2 ARTIFICIAL LIFT SERVICES LLC
3611 HWY 158, MIDLAND, TEXAS, 00158
Covered Properties
(16)
Robust Downhole Pump Barrel
PCT:
PCT/US2024/042298 ↗
Robust Valve Rod Guide Assembly
PCT:
PCT/US2024/049403 ↗
Plunger Adapter with Sandwiper for Downhole Pump
Patent:
9,341,183 →
Application:
13/832,718 →
Deviation Tolerant Well Plunger Pump
Pump Rod Connection
Seal Configuration for Downhole Reciprocating Pumps
System and Methodology Including Strain Filter in Downhole Pumps
Ball Cage Insert with Reduced Wear, Reduced Pressure Drop, and Enhanced Performance Characteristics
Patent:
11,913,306 →
Application:
18/053,933 →
Mechanical Hold Down with Internal Strainer
Robust Downhole Pump Barrel
Application:
18/804,918 →
Publication:
US 2025/0154945
Robust Valve Rod Guide Assembly
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
(22)
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
Nov 14, 2014
From: GARRETT, DAVID, MR; GUNTER, SHAWN N., MR
To: BAKER HUGHES INCORPORATED
Reel/Frame 034171/0300 →
Change of Name
Feb 1, 2018
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 045226/0967 →
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
Jul 22, 2020
From: LUFKIN INDUSTRIES, LLC; BAKER HUGHES HOLDINGS LLC FKA BAKER HUGHES, A GE COMPANY, LLC FKA BAKER HUGHES INCORPORATED; BAKER HUGHES OILFIELD OPERATIONS, LLC; QUINN PUMPS CANADA LTD.
To: RAVDOS HOLDINGS INC.
Reel/Frame 053285/0640 →
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 →
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 →
Security Interest
May 26, 2021
From: RAVDOS HOLDINGS INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 056362/0902 →
Assignment of Assignor's Interest
Nov 9, 2022
From: THOMPSON, MICHAEL L; CORREA PUGLIESE, JUAN FELIPE; GUERRERO, EDWARDO
To: RAVDOS HOLDINGS INC
Reel/Frame 061709/0090 →
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
Aug 12, 2025
From: RAMASWAMY, SANTHOSH
To: RAVDOS HOLDINGS INC.
Reel/Frame 071999/0179 →
Assignment of Assignor's Interest
Aug 12, 2025
From: RAMASWAMY, SANTHOSH
To: RAVDOS HOLDINGS INC.
Reel/Frame 071999/0593 →
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 →