Patent Assignment
Reel/Frame 055730/0001
Assignment of Assignor's Interest
Recorded: 2021-03-25
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-06-03
Assignee
CHAMPIONX USA INC.
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Self-Inverting Polymer Emulsions
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 23, 2021
From: PHAN, TRI T.; BRINKMAN, KERRY CHARLES; LI, XIAOJIN HARRY; LEFLEMME, NICOLAS J.
To: ECOLAB USA INC.
Reel/Frame 055680/0535 →
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
Apr 15, 2024
From: CHAMPION.X USA INC.
To: CHAMPIONX LLC
Reel/Frame 067104/0257 →
Corrective Assignment to Correct the the Conveying Party Name Previously Recorded at Reel: 67104 Frame: 257. Assignor(S) Hereby Confirms the Assignment.
May 20, 2024
From: CHAMPIONX USA INC.
To: CHAMPIONX LLC
Reel/Frame 067471/0151 →
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 →