Patent Assignment
Reel/Frame 055375/0475
Assignment of Assignor's Interest
Recorded: 2021-02-23
Pages: 3
Assignor
NGUYEN, DUY T.
Executed: 2020-03-09
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
Covered Properties
(2)
Loaded, Sealed Nanotubes for Oil Recovery
Loaded, Sealed Nanotubes for Oil Recovery
Application:
62/861,510 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
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
Aug 18, 2020
From: JOHN, VIJAY THOMAS
To: THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND
Reel/Frame 053526/0216 →
Assignment of Assignor's Interest
Aug 18, 2020
From: JOHN, VIJAY THOMAS
To: THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND
Reel/Frame 053526/0044 →
Assignment of Assignor's Interest
Sep 10, 2020
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 053749/0001 →
Assignment of Assignor's Interest
Feb 22, 2021
From: CHAMPIONX LLC
To: CHAMPIONX USA INC.
Reel/Frame 055354/0735 →
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 →
Assignment of Assignor's Interest
Mar 2, 2022
From: CHAMPIONX USA INC.
To: THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND
Reel/Frame 059147/0063 →
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 →