IP Library › Assignment 059483/0825
Patent Assignment
Reel/Frame 059483/0825

Assignment of Assignor's Interest

Recorded: 2022-03-23 Pages: 132
Assignor
ECOLAB USA INC.
Executed: 2020-08-25
Assignee
CHAMPIONX USA INC.
11177 SOUTH STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property (1)
Apparatus and Method for Increasing Well Production Using Surfactant Injection
Patent: 7,311,144 →
Application: 10/905,993 →
Publication: US 2006/0076139
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 →