Patent Assignment
Reel/Frame 023704/0761
Assignment of Assignor's Interest
Recorded: 2009-12-17
Pages: 4
Assignors
FLANAGAN, EDWARD
Executed: 2009-11-02
GRIFFITH, WILLIAM
Executed: 2009-10-28
FOLLMAR, STEVE
Executed: 2009-11-06
Assignee
DELAWARE CAPITAL FORMATION, INC
501 SILVERSIDE ROAD, SUITE 5, WILMINGTON, DELAWARE, 19809
Covered Property
(1)
Method and Apparatus for Automatic Pressure Balancing of Industrial Large-Bore Internal Combustion Engines
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
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 →
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 →
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 →
Merger and Change of Name
Jun 15, 2023
From: WINDROCK, INC.; CHAMPIONX LLC
To: CHAMPIONX LLC
Reel/Frame 063966/0661 →
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 →