Patent Assignment
Reel/Frame 047633/0684
Assignment of Assignor's Interest
Recorded: 2018-11-30
Pages: 6
Assignors
ZHANG, MENG
Executed: 2017-06-09
ZHAO, YULIN
Executed: 2017-06-09
XU, NA
Executed: 2017-06-09
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
Covered Property
(1)
High-Efficiency Strength Program Used for Making Paper in Higher Charge Demand System
Related Assignments
(4)
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 →
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 →