Patent Assignment
Reel/Frame 055141/0093
Assignment of Assignor's Interest
Recorded: 2021-01-27
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 SOUTH STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Foamers for Downhole Injection
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jun 20, 2017
From: NALCO COMPANY LLC
To: NALCO COMPANY LLC
Reel/Frame 042914/0886 →
Assignment of Assignor's Interest
Jul 28, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 043134/0037 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 052848/0368 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 053250/0001 →
Release of Security Interest
Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: CHAMPIONX USA INC.
Reel/Frame 060304/0267 →
Assignment of Assignor's Interest
Dec 7, 2023
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 065799/0403 →
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 →