Patent Assignment
Reel/Frame 041431/0582
Assignment of Assignor's Interest
Recorded: 2017-01-19
Pages: 3
Assignors
FOUCHARD, DAVID MARC DANIEL
Executed: 2013-03-25
CARMICHAEL, JENNIFER ELAINE
Executed: 2013-03-25
Assignee
ECOLAB USA INC.
1601 WEST DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
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.
Change of Address
Jun 11, 2019
From: ECOLAB USA INC.
To: ECOLAB USA INC.
Reel/Frame 049439/0952 →
Assignment of Assignor's Interest
Jan 28, 2021
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 055143/0537 →
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 →