IP Library › Assignment 058416/0507
Patent Assignment
Reel/Frame 058416/0507

Assignment of Assignor's Interest

Recorded: 2021-12-17 Pages: 4
Assignors
NGUYEN, DUY T.
Executed: 2017-07-24
PHAN, JENNY L.
Executed: 2017-07-11
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
Covered Property (1)
Compositions for Enhanced Oil Recovery
Application: 17/552,858 →
Publication: US 2022/0106515
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 17, 2021
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 058536/0001 →
Security Interest Jun 8, 2022
From: APERGY BMCS ACQUISITION CORP.; APERGY ESP SYSTEMS, LLC; CHAMPIONX USA INC.; HARBISON-FISCHER, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 060313/0456 →
Assignment of Assignor's Interest May 21, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067476/0580 →
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 →