IP Library › Assignment 022088/0997
Patent Assignment
Reel/Frame 022088/0997

Assignment of Assignor's Interest

Recorded: 2009-01-09 Pages: 2
Assignor
BURNETT, GEORGE ALEXANDER
Executed: 2008-12-16
Assignee
NATIONAL OILWELL VARCO L.P.
7909 PARKWOOD CIRCLE, HOUSTON, TEXAS, 77210
Covered Property (1)
Shale Shakers with Cartridge Screen Assemblies
Patent: 8,118,172 →
Application: 12/287,716 →
Publication: US 2009/0120846
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 22, 2008
From: BURNETT, GEORGE ALEXANDER
To: VARCO I/P
Reel/Frame 022053/0744 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 022053 Frame: 0744. Assignor(S) Hereby Confirms the Assignment. Dec 28, 2020
From: BURNETT, GEORGE ALEXANDER
To: VARCO I/P, INC.
Reel/Frame 054858/0301 →
Merger Jul 17, 2025
From: VARCO I/P, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 071747/0694 →