Patent Assignment
Reel/Frame 043357/0541
Assignment of Assignor's Interest
Recorded: 2017-08-22
Pages: 6
Assignor
NALCO COMPANY LLC
Executed: 2017-02-27
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
Covered Properties
(10)
Method of Reducing the Viscosity of Hydrocarbons
Foamers for Downhole Injection
Corrosion Inhibitors for Oil and Gas Applications
Removal of Mercury and Mercuric Compounds from Crude Oil Streams
Acid Gas Scrubbing Composition
Removal of Mercury and Mercuric Compounds from Crude Oil Streams
Corrosion Inhibitors for Oil and Gas Applications
Method of Controlling Gas Hydrates in Fluid Systems
Foamers for Downhole Injection
Method for Resolving Emulsions in Enhanced Oil Recovery Operations
Related Assignments
(16)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 19, 2013
From: BLAIR, ALAN M.; GARSIDE, KEITH N.; ANDREWS, WILLIAM J.; SAWANT, KAILAS B.
To: NALCO COMPANY
Reel/Frame 031034/0162 →
Assignment of Assignor's Interest
Sep 6, 2013
From: BLAIR, ALAN M.; GARSIDE, KEITH N.; ANDREWS, WILLIAM J.; SAWANT, KAILAS B.
To: NALCO COMPANY
Reel/Frame 031149/0758 →
Assignment of Assignor's Interest
Jan 14, 2014
From: MEYER, G. RICHARD; MONK, KEITH ALLEN
To: NALCO COMPANY
Reel/Frame 031967/0466 →
Assignment of Assignor's Interest
Nov 24, 2015
From: NGUYEN, DUY T.
To: NALCO COMPANY
Reel/Frame 037134/0467 →
Assignment of Assignor's Interest
Jan 19, 2016
From: BRADEN, MICHAEL L.; LORDO, SAMUEL A.
To: NALCO COMPANY
Reel/Frame 037522/0685 →
Assignment of Assignor's Interest
Feb 15, 2016
From: NGUYEN, DUY T.
To: NALCO COMPANY
Reel/Frame 037824/0176 →
Assignment of Assignor's Interest
Feb 15, 2016
From: CONRAD, PETER G.; ACOSTA, ERICK J.; MCNAMEE, KEVIN P.; BENNETT, BRIAN M.
To: NALCO COMPANY
Reel/Frame 037736/0306 →
Change of Name
Aug 22, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 043633/0992 →
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: JPMORGAN CHASE BANK, N.A.
Reel/Frame 053250/0001 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 052848/0368 →
Assignment of Assignor's Interest
Sep 22, 2020
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 053849/0537 →
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 →