Patent Assignment
Reel/Frame 047121/0176
Annual Renewal Showing Address Change
Recorded: 2018-09-21
Pages: 6
Assignor
ECOLAB USA INC.
Executed: 2018-03-08
Assignee
ECOLAB USA INC.
1 ECOLAB PLACE, ST. PAUL, MINNESOTA, 55102
Covered Property
(1)
Fouling Mitigation in Equipment Used During Hydrocarbon Production
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 27, 2021
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 055141/0414 →
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
Dec 7, 2023
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 065799/0403 →
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 →