Patent Assignment
Reel/Frame 058536/0001
Assignment of Assignor's Interest
Recorded: 2021-12-17
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Compositions for Enhanced Oil Recovery
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 17, 2021
From: NGUYEN, DUY T.; PHAN, JENNY L.
To: ECOLAB USA INC.
Reel/Frame 058416/0507 →
Security Interest
Jun 8, 2022
From: APERGY BMCS ACQUISITION CORP.; APERGY ESP SYSTEMS, LLC; CHAMPIONX USA INC.; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 060313/0456 →
Assignment of Assignor's Interest
May 21, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067476/0580 →
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 →