Patent Assignment
Reel/Frame 071941/0596
Merger
Recorded: 2025-08-05
Pages: 4
Assignor
HARBISON-FISCHER, INC.
Executed: 2023-11-01
Assignee
CHAMPIONX LLC
11177 S. STADIUM DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Valve Assemblies, Valve Assemblies for Use with Downhole Components and Related Methods
Application:
19/287,244 →
Publication:
US 2025/0361789
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 31, 2025
From: NARASIMHAN, RAMAMURTHY; PUGLIESE, JUAN FELIPE CORREA; SALLOOM, RIYADH; DE WERFF, RANDY
To: CHAMPIONX LLC
Reel/Frame 071899/0529 →
Assignment of Assignor's Interest
Aug 5, 2025
From: NARASIMHAN, RAMAMURTHY; PUGLIESE, JUAN FELIPE CORREA; SALLOOM, RIYADH; DE WERFF, RANDY
To: HARBISON-FISCHER, INC.
Reel/Frame 071941/0586 →