IP Library › Assignment 029468/0891
Patent Assignment
Reel/Frame 029468/0891

Assignment of Assignor's Interest

Recorded: 2012-12-14 Pages: 4
Assignors
ANKARGREN, DAVID BENGT JOHAN
Executed: 2012-12-12
POHL, JOCHEN
Executed: 2012-12-12
Assignee
NATIONAL OILWELL VARCO NORWAY AS
SERVICEBOKS 401, KRISTIANSAND S, N-4604, NORWAY
Covered Property (1)
Apparatus and Method for Recuperation of Hydraulic Energy
Patent: 9,382,927 →
Application: 13/698,952 →
Publication: US 2013/0199168
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 →