IP Library Assignment 028326/0835
Patent Assignment
Reel/Frame 028326/0835

Assignment of Assignor's Interest

Recorded: 2012-06-06 Pages: 3
Assignors
FRANZ, HOLGER
Executed: 2012-04-30
SCHMIDT, JOHANNES
Executed: 2012-05-03
WILKOSZ, BENJAMIN EDUARD
Executed: 2012-05-03
Assignee
ZEITECS B.V.
LANGE KLEIWEG 60 F, RIJSWIJK, 2288GK, NETHERLANDS
Covered Property (1)
Compact Cable Suspended Pumping System for Dewatering Gas Wells
Patent: 8,408,312 →
Application: 12/795,512 →
Publication: US 2011/0297391
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 23, 2010
From: FIELDER, LANCE I.; CARSTENSEN, CHRISTIAN; DE DONCKER, RIK; BRAUER, HELGE
To: A-POWER GMBH
Reel/Frame 024872/0352 →
Assignment of Assignor's Interest Nov 10, 2010
From: A-POWER GMBH
To: ZEITECS (B.V/INC.)
Reel/Frame 025343/0486 →
Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 025343 Frame 0486. Assignor(S) Hereby Confirms the Assignment. Feb 3, 2012
From: A-POWER GMBH
To: ZEITECS B.V.
Reel/Frame 027649/0236 →
Merger Apr 25, 2018
From: ZEITECS B.V.
To: SCHLUMBERGER TECHNOLOGY B.V.
Reel/Frame 045630/0310 →