Patent Assignment
Reel/Frame 054887/0444
Assignment of Assignor's Interest
Recorded: 2020-12-31
Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 S. STADIUM DR., SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Fluid Diverson Composition in Well Stimulation
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 31, 2020
From: DREYER, DANIEL; BOYRASKIKH, VYACHESLAV; HU, YUNTAO THOMAS; KURIAN, PIOUS
To: ECOLAB USA INC.
Reel/Frame 054787/0758 →
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 →