Patent Assignment
Reel/Frame 016282/0166
Assignment of Assignor's Interest
Recorded: 2005-02-22
Pages: 5
Assignors
NEWMAN, STEVEN P.
Executed: 2005-02-17
HAHN, CARL
Executed: 2005-02-17
MCCLAIN, ROBERT D.
Executed: 2005-02-17
Assignee
NALCO ENERGY SERVICES
7704 HIGHWAY 90-A, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Environmentally Friendly Demulsifiers for Crude Oil Emulsions
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Feb 11, 2009
From: NALCO ENERGY SERVICES L.P
To: NALCO COMPANY
Reel/Frame 022242/0697 →
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 →
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 →