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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
8408312
Issue Dt:
04/02/2013
Application #:
12795512
Filing Dt:
06/07/2010
Publication #:
20110297391
Pub Dt:
12/08/2011
Inventors:
Lance I. Fielder, Christian Carstensen, Rik De Doncker, Helge Brauer, Holger Franz et al
Title:
COMPACT CABLE SUSPENDED PUMPING SYSTEM FOR DEWATERING GAS WELLS
Assignment: 1
Reel/Frame:
024872/0352Recorded: 08/23/2010Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
FIELDER, LANCE I.
Exec Dt:
08/19/2010
CARSTENSEN, CHRISTIAN
Exec Dt:
08/17/2010
DE DONCKER, RIK
Exec Dt:
08/11/2010
BRAUER, HELGE
Exec Dt:
08/11/2010
Assignee:
A-POWER GMBH
JAEGERSTRASSE 17-19
AACHEN, GERMANY D-52066
Correspondent:
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 2
Reel/Frame:
025343/0486Recorded: 11/10/2010Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
A-POWER GMBH
Exec Dt:
11/04/2010
Assignee:
ZEITECS (B.V/INC.)
LANGE KLEIWEG 60 F
2288GK RIJSWIJK, NETHERLANDS
Correspondent:
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 3
Reel/Frame:
027649/0236Recorded: 02/03/2012Pages: 4
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 025343 FRAME 0486. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor:
A-POWER GMBH
Exec Dt:
11/04/2010
Assignee:
ZEITECS B.V.
LANGE KLEIWEG 60 F
2288GK RIJSWIJK, NETHERLANDS
Correspondent:
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 4
Reel/Frame:
028326/0835Recorded: 06/06/2012Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
FRANZ, HOLGER
Exec Dt:
04/30/2012
SCHMIDT, JOHANNES
Exec Dt:
05/03/2012
WILKOSZ, BENJAMIN EDUARD
Exec Dt:
05/03/2012
Assignee:
ZEITECS B.V.
LANGE KLEIWEG 60 F
RIJSWIJK, NETHERLANDS 2288GK
Correspondent:
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 5
Reel/Frame:
045630/0310Recorded: 04/25/2018Pages: 10
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
ZEITECS B.V.
Exec Dt:
10/07/2017
Assignee:
SCHLUMBERGER TECHNOLOGY B.V.
PARKSTRAAT 83
THE HAGUE, NETHERLANDS 2514 JG
Correspondent:
STEPHANIE LONG
10001 RICHMOND AVENUE
OFFICE 4758
HOUSTON, TX 77042

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