Patent Assignment
Reel/Frame 027605/0253
Assignment of Assignor's Interest
Recorded: 2012-01-27
Pages: 4
Assignors
KURIAN, PIOUS
Executed: 2012-01-23
WEI, MINGLI
Executed: 2012-01-23
CHANG, KIN-TAI
Executed: 2012-01-23
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property
(1)
Composition and Method for Recovering Hydrocarbon Fluids from a Subterranean Reservoir
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
May 30, 2020
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 052797/0794 →
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 →
Assignment of Assignor's Interest
Jan 27, 2021
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 055141/0265 →
Assignment of Assignor's Interest
Jan 28, 2021
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 055067/0616 →
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 →