Patent Assignment
Reel/Frame 033515/0296
Assignment of Assignor's Interest
Recorded: 2014-08-12
Pages: 4
Assignor
NALCO COMPANY
Executed: 2014-07-14
Assignee
ECOLAB USA INC.
370 N. WABASHA STREET, ST. PAUL, MINNESOTA, 55102
Covered Properties
(2)
Use of Oligo-Quaternary Compositions to Increase Scale Inhibitor Lifetime in a Subterranean Formation
Use of Oligo-Quaternary Compositions to Increase Scale Inhibitor Lifetime in a Subterranean Formation
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 9, 2013
From: HARDY, JULIE; SITZ, CURTIS
To: CORSICANA TECHNOLOGIES, INC.
Reel/Frame 030979/0153 →
Assignment of Assignor's Interest
Aug 13, 2013
From: HARDY, JULIE; SITZ, CURTIS
To: CORSICANA TECHNOLOGIES, INC.
Reel/Frame 030996/0531 →
Merger
Aug 12, 2014
From: CORSICANA TECHNOLOGIES, INC.
To: NALCO COMPANY
Reel/Frame 033515/0249 →
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
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 →