Patent Assignment
Reel/Frame 020810/0013
Assignment of Assignor's Interest
Recorded: 2008-04-15
Pages: 5
Assignors
CHEN, PING
Executed: 2008-03-24
YAN, XING
Executed: 2008-03-24
HAGEN, THOMAS
Executed: 2008-03-24
MONTGOMERIE, HARRY
Executed: 2008-03-24
Assignee
CHAMPION TECHNOLOGIES LTD.
PETERSEAT DRIVE, ALTENS, W. SAM WHITE BUILDING, ABERDEEN, AB12 3HT, UNITED KINGDOM
Covered Property
(1)
Scale Inhibiting Well Treatment
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 →