Patent Assignment
Reel/Frame 034455/0155
Change of Name
Recorded: 2014-11-25
Pages: 3
Assignor
NATIONAL OILWELL NORWAY AS
Executed: 2009-12-30
Assignee
NATIONAL OILWELL VARCO NORWAY AS
SERVICEBOKS 401, KRISTIANSAND S, N-4604, NORWAY
Covered Property
(1)
Mouse Hole Damper Device
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 9, 2011
From: PEDERSEN, JAN ERIK
To: NATIONAL OILWELL NORWAY AS
Reel/Frame 026419/0300 →
Assignment of Assignor's Interest
Nov 25, 2014
From: NATIONAL OILWELL NORWAY AS
To: NATIONAL OILWELL VARCO NORWAY AS
Reel/Frame 034455/0125 →
Change of Name
Jan 9, 2015
From: NATIONAL OILWELL NORWAY AS
To: NATIONAL OILWELL VARCO NORWAY AS
Reel/Frame 034746/0374 →
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 →