Patent Assignment
Reel/Frame 055143/0537
Assignment of Assignor's Interest
Recorded: 2021-01-28
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 SOUTH STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Method of Assessing Asphaltene Inhibitor Efficiency
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 19, 2017
From: FOUCHARD, DAVID MARC DANIEL; CARMICHAEL, JENNIFER ELAINE
To: ECOLAB USA INC.
Reel/Frame 041431/0582 →
Change of Address
Jun 11, 2019
From: ECOLAB USA INC.
To: ECOLAB USA INC.
Reel/Frame 049439/0952 →
Security Interest
Apr 30, 2021
From: APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORPORATION; CHAMPIONX USA INC.; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 056106/0007 →
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 →