Patent Assignment
Reel/Frame 037284/0447
Assignment of Assignor's Interest
Recorded: 2015-12-14
Pages: 3
Assignors
REED, PETER E.
Executed: 2013-12-16
ANDREWS, WILLIAM J.
Executed: 2013-12-16
WEI, MINGLI
Executed: 2013-12-16
LI, XIAOJIN HARRY
Executed: 2013-12-16
Assignee
ECOLAB USA INC.
370 NORTH WABASHA STREET, ST. PAUL, MINNESOTA, 55102
Covered Property
(1)
Mobility Control Polymers for Enhanced Oil Recovery
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →