Patent Assignment
Reel/Frame 065918/0824
Merger
Recorded: 2023-12-20
Pages: 4
Assignor
APERGY PROCESS COMPANIES. LLC
Executed: 2023-11-01
Assignee
CHAMPIONX LLC
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Properties
(2)
Downhole centrifugal pump diffuser with protuberant vanes
Downhole Centrifugal Pump Diffuser with Protuberant Vanes and Related Pumps and Methods
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 5, 2019
From: SONG, BAOJUN; BAILLARGEON, DAVID S.
To: APERGY ESP SYSTEMS, LLC
Reel/Frame 049382/0943 →
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 →
Assignment of Assignor's Interest
Oct 22, 2021
From: SONG, BAOJUN; BAILLARGEON, DAVID S.
To: APERGY ESP SYSTEMS, LLC
Reel/Frame 057875/0124 →
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: APERGY ESP SYSTEMS, LLC
To: APERGY PROCESS COMPANIES. LLC
Reel/Frame 065918/0734 →
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 →