IP Library Assignment 071899/0529
Patent Assignment
Reel/Frame 071899/0529

Assignment of Assignor's Interest

Recorded: 2025-07-31 Pages: 10
Assignors
NARASIMHAN, RAMAMURTHY
Executed: 2022-03-03
PUGLIESE, JUAN FELIPE CORREA
Executed: 2022-03-09
SALLOOM, RIYADH
Executed: 2022-03-07
DE WERFF, RANDY
Executed: 2022-03-03
ROGERS, BRADLEY C.
Executed: 2022-03-07
KEMP, JIMMY
Executed: 2022-03-03
BISHOP, MATTHEW
Executed: 2022-03-08
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 Aug 5, 2025
From: NARASIMHAN, RAMAMURTHY; PUGLIESE, JUAN FELIPE CORREA; SALLOOM, RIYADH; DE WERFF, RANDY
To: HARBISON-FISCHER, INC.
Reel/Frame 071941/0586 →
Merger Aug 5, 2025
From: HARBISON-FISCHER, INC.
To: CHAMPIONX LLC
Reel/Frame 071941/0596 →