IP Library › Assignment 019053/0820
Patent Assignment
Reel/Frame 019053/0820

Assignment of Assignor's Interest

Recorded: 2007-03-15 Pages: 4
Assignors
KOTLAR, HANS KRISTIAN
Executed: 2007-02-22
CHEN, PING
Executed: 2007-02-28
Assignee
STATOIL ASA
FORUSBEEN 50, STAVANGER, N-4035, NORWAY
Covered Property (1)
Well treatment
Patent: 8,881,815 →
Application: 11/629,089 →
Publication: US 2009/0014178
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Oct 25, 2013
From: STATOIL ASA
To: STATOILHYDRO ASA
Reel/Frame 031495/0001 →
Change of Name Oct 31, 2013
From: STATOILHYDRO ASA
To: STATOIL ASA
Reel/Frame 031528/0807 →
Assignment of Assignor's Interest Nov 13, 2013
From: STATOIL ASA
To: STATOIL PETROLEUM AS
Reel/Frame 031627/0265 →