Patent Assignment
Reel/Frame 030329/0909
Assignment of Assignor's Interest
Recorded: 2013-05-01
Pages: 5
Assignors
GILL, JASBIR S.
Executed: 2012-12-10
MAHARAJH, EDWARD
Executed: 2013-04-26
MILLER, THOMAS M.
Executed: 2013-01-04
Assignee
ECOLAB USA INC.
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563
Covered Property
(1)
Fouling Mitigation in Equipment Used During Hydrocarbon Production
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Annual Renewal Showing Address Change
Sep 21, 2018
From: ECOLAB USA INC.
To: ECOLAB USA INC.
Reel/Frame 047121/0176 →
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 →