IP Library › Assignment 063966/0661
Patent Assignment
Reel/Frame 063966/0661

Merger and Change of Name

Recorded: 2023-06-15 Pages: 5
Assignors
WINDROCK, INC.
Executed: 2023-05-01
CHAMPIONX LLC
Executed: 2023-05-01
Assignee
CHAMPIONX LLC
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Properties (3)
Method and Apparatus for Automatic Pressure Balancing of Industrial Large-Bore Internal Combustion Engines
Patent: 8,522,750 →
Application: 12/572,744 →
Publication: US 2010/0089364
Sensor Having Magnetic Boundary Seal
Application: 15/697,487 →
Publication: US 2019/0072525
Remote Monitoring of Engine Performance Using Accelerometers
Application: 16/587,379 →
Related Assignments (11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 17, 2009
From: FLANAGAN, EDWARD; GRIFFITH, WILLIAM; FOLLMAR, STEVE
To: DELAWARE CAPITAL FORMATION, INC
Reel/Frame 023704/0761 →
Assignment of Assignor's Interest Jun 16, 2014
From: WINDROCK INC.
To: DELAWARE CAPITAL FORMATION, INC.
Reel/Frame 033108/0606 →
Corrective Assignment to Correct the Incorrect Patent No. 8552750 Previously Recorded at Reel: 033108 Frame: 0606. Assignor(S) Hereby Confirms the Assignment. Sep 11, 2014
From: WINDROCK INC.
To: DELAWARE CAPITAL FORMATION, INC.
Reel/Frame 033736/0674 →
Assignment of Assignor's Interest Oct 3, 2014
From: DELAWARE CAPITAL FORMATION, INC.
To: WINDROCK INC.
Reel/Frame 033879/0006 →
Assignment of Assignor's Interest Sep 7, 2017
From: FLANAGAN, EDWARD
To: WINDROCK, INC.
Reel/Frame 043514/0448 →
Security Agreement May 9, 2018
From: APERGY (DELAWARE) FORMATION, INC.; APERGY BMCS ACQUISITION CORP.; APERGY ENERGY AUTOMATION, LLC; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 046117/0015 →
Assignment of Assignor's Interest Jan 10, 2020
From: HOWARD, BRIAN F.; ABEL, JEFFREY DYLAN; CHAPMAN, MARY MARGARET; JONES, MICHAEL W.
To: WINDROCK, INC.
Reel/Frame 051478/0342 →
Security Interest Jun 5, 2020
From: ACE DOWNHOLE, LLC; APERGY BMCS ACQUISITION CORP.; HARBISON-FISCHER, INC.; NORRIS RODS, INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 053790/0001 →
Security Interest Apr 30, 2021
From: APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORPORATION; CHAMPIONX USA INC.; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 056106/0007 →
Release of Security Interest Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: ACE DOWNHOLE, LLC; HARBISON-FISCHER, INC.; NORRIS RODS, INC.; PCS FERGUSON, INC.
Reel/Frame 060305/0001 →
Release of Security Interest in Patents Jul 17, 2025
From: JPMORGAN CHASE BANK, N.A.
To: CHAMPIONX LLC; APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORP; HARBISON-FISCHER, INC.
Reel/Frame 072004/0019 →