Patent Assignment
Reel/Frame 057688/0772
Assignment of Assignor's Interest
Recorded: 2021-10-01
Pages: 11
Assignors
PUGLIESE, JUAN FELIPE CORREA
Executed: 2021-09-21
NARASIMHAN, RAMAMURTHY
Executed: 2021-09-21
SALLOOM, RIYADH
Executed: 2021-09-21
DE WERFF, RANDY
Executed: 2021-09-21
ROGERS, BRADLEY C.
Executed: 2021-09-21
KEMP, JIMMY
Executed: 2021-09-21
BISHOP, MATTHEW
Executed: 2021-09-21
Assignee
HARBISON-FISCHER, INC.
901 N. CROWLEY RD., CROWLEY, TEXAS, 76036
Covered Properties
(2)
Ball check-valve for linear reciprocating downhole pumps
Ball check valve for linear reciprocating downhole pumps
Application:
63/082,829 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
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 →
Merger
Dec 20, 2023
From: HARBISON-FISCHER, INC.
To: CHAMPIONX LLC
Reel/Frame 065921/0024 →
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 →