Patent Assignment
Reel/Frame 055024/0120
Assignment of Assignor's Interest
Recorded: 2021-01-25
Pages: 4
Assignors
DHAWAN, ASHISH
Executed: 2021-01-13
TIDWELL, TIMOTHY JAMES
Executed: 2021-01-07
DINGES, ALICIA
Executed: 2021-01-05
Assignee
CHAMPIONX USA INC.
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Compositions of Heterocyclic Compounds and Uses as Sulfidogenesis Inhibitors
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
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 →