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Patent Assignment
Reel/Frame 033481/0661

Assignment of Assignor's Interest

Recorded: 2014-08-07 Pages: 3
Assignor
KYLLINGSTAD, AGE
Executed: 2014-08-05
Assignee
NATIONAL OILWELL VARCO NORWAY AS
POSTBOKS 8181, STAVANGER, N-4069, NORWAY
Covered Property (1)
System and Method for Reducing Drillstring Oscillations
Patent: 9,624,762 →
Application: 14/374,494 →
Publication: US 2014/0360779
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 2, 2023
From: NATIONAL OILWELL VARCO NORWAY AS
To: NOV INTERNATIONAL HOLDINGS C.V.
Reel/Frame 064367/0415 →
Assignment of Assignor's Interest Jun 7, 2023
From: NOV INTERNATIONAL HOLDINGS C.V.
To: GRANT PRIDECO, INC.
Reel/Frame 063888/0818 →