Patent Assignment
Reel/Frame 052797/0743
Change of Name
Recorded: 2020-05-30
Pages: 8
Assignor
NALCO COMPANY
Executed: 2015-12-31
Assignee
NALCO COMPANY LLC
1601 WEST DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Well Treatment
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
May 30, 2020
From: CHAMPION TECHNOLOGIES, INC.
To: NALCO COMPANY
Reel/Frame 052797/0751 →
Change of Name
Jun 1, 2020
From: NALCO COMPANY LLC
To: CHAMPIONX LLC
Reel/Frame 052800/0358 →
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 →
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 →