IP Library › Assignment 036173/0365
Patent Assignment
Reel/Frame 036173/0365

Change of Name

Recorded: 2015-07-23 Pages: 2
Assignor
SEAWELL OIL TOOLS AS
Executed: 2015-07-17
Assignee
ARCHER OILTOOLS AS
LAGERVEIEN 24, STAVANGER, N-4033, NORWAY
Covered Properties (2)
Sleeve Valve with Permanent End Position
Patent: 8,783,649 →
Application: 13/159,606 →
Publication: US 2011/0308622
Sleeve Valve with Permanent End Position
Patent: 9,127,776 →
Application: 13/906,440 →
Publication: US 2013/0270468
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 14, 2011
From: BYBERG, ARVE; RONNING, KETIL
To: SEAWELL OIL TOOLS AS
Reel/Frame 026440/0128 →
Assignment of Assignor's Interest May 31, 2013
From: BYBERG, ARVE; RONNING, KETIL
To: SEAWELL OIL TOOLS AS
Reel/Frame 030520/0319 →