IP Library › Assignment 027309/0891
Patent Assignment
Reel/Frame 027309/0891

Assignment of Assignor's Interest

Recorded: 2011-12-01 Pages: 3
Assignor
A-POWER GMBH
Executed: 2011-11-17
Assignee
ZEITECS B.V.
LANGE KLEIWEG 60 F, RIJSWIJK, 2288GK, NETHERLANDS
Covered Properties (2)
Power Transmission System for Use with Downhole Equipment
Patent: 8,353,336 →
Application: 12/598,884 →
Publication: US 2010/0206554
Transmitting Electric Power into a Bore Hole
Patent: 8,665,110 →
Application: 12/732,055 →
Publication: US 2011/0170320
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 22, 2010
From: NEUHAUS, CHRISTOPH; KOENIG, ANDREAS; DE DONCKER, RIK
To: A-POWER GMBH
Reel/Frame 024275/0477 →
Assignment of Assignor's Interest Sep 1, 2010
From: SHELL OIL COMPANY
To: A-POWER GMBH
Reel/Frame 024926/0025 →
Merger Apr 25, 2018
From: ZEITECS B.V.
To: SCHLUMBERGER TECHNOLOGY B.V.
Reel/Frame 045630/0517 →