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Patent Assignment Assignor Details
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Assignor Name : LIESS, MARTIN
Total Assignments: 44
Assignment: 1
Reel/Frame:012876/0804   Pages: 4
Recorded: 05/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, BERND-GEORG
Exec Dt:
09/25/2001
2
LIESS, MARTIN
Exec Dt:
09/25/2001
Assignee
1
WEATHERFORD/LAMB, INC.
STE. 600
515 POST OAK BOULEVARD
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7090254
NONE
09958917
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 2
Reel/Frame:013192/0099   Pages: 3
Recorded: 08/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
08/05/2002
2
ERICHSCHULZE-BECKINGHAUSEN, JORG
Exec Dt:
08/05/2002
3
CARLSSON, ANDREAS
Exec Dt:
08/05/2002
4
PIETRAS, BERND-GEORG
Exec Dt:
08/05/2002
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6814149
US20020189804
10146599
Correspondence name and address
MOSER, PATTERSON & SHERIDAN LLP
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 3
Reel/Frame:014318/0036   Pages: 3
Recorded: 06/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, BERND-GEORG
Exec Dt:
01/16/2003
2
LIESS, MARTIN
Exec Dt:
01/16/2003
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8485067
US20040026088
10276970
Correspondence name and address
MOSER, PATTERSON, SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 4
Reel/Frame:014388/0343   Pages: 3
Recorded: 03/01/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, BERND-GEORGE
Exec Dt:
02/19/2004
2
LIESS, MARTIN
Exec Dt:
02/19/2004
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD., SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050077743
10681570
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 5
Reel/Frame:015005/0685   Pages: 4
Recorded: 08/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, BERND-GEORG
Exec Dt:
08/10/2004
2
LIESS, MARTIN
Exec Dt:
08/11/2004
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7707914
US20050076744
10850354
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 6
Reel/Frame:015392/0555   Pages: 3
Recorded: 11/18/2004
Attorney Dkt #:WEAT/0523
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
10/27/2004
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD.
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7188548
US20050061112
10945568
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 7
Reel/Frame:030562/0722   Pages: 4
Recorded: 06/06/2013
Attorney Dkt #:WEAT/0884USC2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
06/11/2008
2
PIETRAS, BERND-GEORG
Exec Dt:
06/11/2008
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8776898
US20130313846
13910862
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD.
SUITE 1500
HOUSTON, TX 77056
Assignment: 8
Reel/Frame:030904/0785   Pages: 3
Recorded: 07/30/2013
Attorney Dkt #:WEAT/0884USC1 / TYF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
06/11/2008
2
PIETRAS, BERND-GEORG
Exec Dt:
06/11/2008
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8708055
US20130264837
13768995
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 9
Reel/Frame:021695/0775   Pages: 3
Recorded: 10/17/2008
Attorney Dkt #:454-013234-US (PAR)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
10/14/2008
2
SCHILZ, JUERGEN
Exec Dt:
10/14/2008
Assignee
1
PERKINELMER OPTOELECTRICS GMBH & CO. KG
WENZEL-JAKSCH-STR.31
WIESBADEN, GERMANY 65199
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8192074
US20090219971
12065240
Correspondence name and address
PERMAN & GREEN
425 POST ROAD
FAIRFIELD, CT 06824
Assignment: 10
Reel/Frame:021760/0702   Pages: 6
Recorded: 10/30/2008
Attorney Dkt #:WEAT/0853
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, BERND-GEORG
Exec Dt:
10/24/2008
2
WOOD, KEVIN
Exec Dt:
10/22/2008
3
HEIDECKE, KARSTEN
Exec Dt:
10/22/2008
4
HOOKER, JOHN D., II
Exec Dt:
10/22/2008
5
HELMS, MARTIN
Exec Dt:
10/22/2008
6
LIESS, MARTIN
Exec Dt:
10/22/2008
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8215687
US20090110535
12258357
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 11
Reel/Frame:022886/0614   Pages: 3
Recorded: 06/29/2009
Attorney Dkt #:WEAT/0884
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
06/09/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8376056
US20090274544
12435253
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 12
Reel/Frame:022904/0579   Pages: 5
Recorded: 07/01/2009
Attorney Dkt #:WEAT/0883
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
06/09/2009
2
HOOKER, JOHN D., II
Exec Dt:
06/09/2009
3
GROSCH, REINHARD
Exec Dt:
06/24/2009
4
KOTSCHY, THOMAS
Exec Dt:
06/09/2009
5
CARLSSON, ANDREAS
Exec Dt:
06/12/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8365834
US20090274545
12435346
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 13
Reel/Frame:023392/0161   Pages: 12
Recorded: 10/19/2009
Attorney Dkt #:WEAT/0885
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLSTAD, DELANEY MICHAEL
Exec Dt:
06/09/2009
2
THOMPSON, RUSSELL W.
Exec Dt:
06/08/2009
3
MORGAN, RUSSELL LEE
Exec Dt:
10/16/2009
4
HOLLINGSWORTH, JIM
Exec Dt:
06/09/2009
5
BOUTWELL, DOYLE FREDERIC, JR.
Exec Dt:
06/09/2009
6
HAYES, MICHAEL
Exec Dt:
06/09/2009
7
LIESS, MARTIN
Exec Dt:
06/09/2009
8
HOOKER, JOHN D., II
Exec Dt:
06/09/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8141642
US20100032162
12435225
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 14
Reel/Frame:030565/0635   Pages: 5
Recorded: 06/07/2013
Attorney Dkt #:WEAT/0883USD1 / TYF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
06/09/2009
2
HOOKER, JOHN D., II
Exec Dt:
06/09/2009
3
GROSCH, REINHARD
Exec Dt:
06/24/2009
4
KOTSCHY, THOMAS
Exec Dt:
06/09/2009
5
CARLSSON, ANDREAS
Exec Dt:
06/12/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8752636
US20130269926
13753242
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 15
Reel/Frame:024601/0994   Pages: 5
Recorded: 06/28/2010
Attorney Dkt #:BTZ.1269
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
04/12/2010
2
BARLOW, ARTHUR
Exec Dt:
03/23/2010
Assignee
1
PERKINELMER TECHNOLOGIES GMBH & CO. KG
WENZEL-JAKSCH-STRASSE 31
WIESBADEN, GERMANY 65199
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8441368
US20100309013
12678865
Correspondence name and address
ZIEGLER IP LAW GROUP, LLC.
518 RIVERSIDE AVENUE
BUILDING B (SYNERGY)
WESTPORT, CT 06880
Assignment: 16
Reel/Frame:025133/0319   Pages: 5
Recorded: 10/13/2010
Attorney Dkt #:BTZ.1241
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
06/10/2010
2
PLOTZ, FRED
Exec Dt:
05/07/2010
3
LAUCK, GUIDO
Exec Dt:
05/07/2010
4
NAUMANN, STEFAN
Exec Dt:
05/07/2010
Assignee
1
PERKINELMER OPTOELECTRONICS GMBH & CO. KG
WENZEL-JACKSCH-STR. 31
WIESBADEN, GERMANY 65199
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110147573
12673492
Correspondence name and address
GEZA ZIEGLER, JR.
518 RIVERSIDE AVENUE
WESTPORT, CT 06880
Assignment: 17
Reel/Frame:025724/0580   Pages: 3
Recorded: 01/31/2011
Attorney Dkt #:WEAT/0949US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CLASEN, DITMAR
Exec Dt:
01/19/2011
2
LIESS, MARTIN
Exec Dt:
01/19/2011
3
HELMS, MARTIN
Exec Dt:
01/19/2011
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9068406
US20110120730
12947720
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 18
Reel/Frame:027783/0258   Pages: 8
Recorded: 02/29/2012
Attorney Dkt #:WEAT/0985US/TYF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEDECKE, MICHAEL
Exec Dt:
02/14/2012
2
THIEMANN, BJOERN
Exec Dt:
02/06/2012
3
HEIDECKE, KARSTEN
Exec Dt:
02/07/2012
4
LIESS, MARTIN
Exec Dt:
02/27/2012
5
HELMS, MARTIN
Exec Dt:
02/14/2012
6
HOOKER, JOHN D., II
Exec Dt:
02/07/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9404322
US20120152530
13327296
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 19
Reel/Frame:039713/0121   Pages: 8
Recorded: 09/13/2016
Attorney Dkt #:WEAT/0985USD01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEDECKE, MICHAEL
Exec Dt:
02/14/2012
2
THIEMANN, BJOERN
Exec Dt:
02/06/2012
3
HEIDECKE, KARSTEN
Exec Dt:
02/07/2012
4
LIESS, MARTIN
Exec Dt:
02/27/2012
5
HELMS, MARTIN
Exec Dt:
02/14/2012
6
HOOKER, JOHN D., II
Exec Dt:
02/07/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10697256
US20160376856
15193722
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 20
Reel/Frame:039716/0183   Pages: 8
Recorded: 09/13/2016
Attorney Dkt #:WEAT/0985USD02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEDECKE, MICHAEL
Exec Dt:
02/14/2012
2
THIEMANN, BJOERN
Exec Dt:
02/06/2012
3
HEIDECKE, KARSTEN
Exec Dt:
02/07/2012
4
LIESS, MARTIN
Exec Dt:
02/27/2012
5
HELMS, MARTIN
Exec Dt:
02/14/2012
6
HOOKER, JOHN D., II
Exec Dt:
02/07/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10253581
US20160376853
15193778
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 21
Reel/Frame:047408/0604   Pages: 8
Recorded: 11/05/2018
Attorney Dkt #:WEAT/0985USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEDECKE, MICHAEL
Exec Dt:
02/14/2012
2
THIEMANN, BJOERN
Exec Dt:
02/06/2012
3
HEIDECKE, KARSTEN
Exec Dt:
02/07/2012
4
LIESS, MARTIN
Exec Dt:
02/27/2012
5
HELMS, MARTIN
Exec Dt:
02/14/2012
6
HOOKER, JOHN D., II
Exec Dt:
02/07/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10801277
US20190063165
16172522
Correspondence name and address
PATTERSON + SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 22
Reel/Frame:032962/0593   Pages: 4
Recorded: 05/20/2014
Attorney Dkt #:WEAT/1083US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANKOVIC, IGOR
Exec Dt:
03/31/2014
2
LIESS, MARTIN
Exec Dt:
04/03/2014
3
HEIDECKE, KARSTEN
Exec Dt:
05/01/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140262526
14213766
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 23
Reel/Frame:035410/0350   Pages: 3
Recorded: 04/15/2015
Attorney Dkt #:WEAT/1250US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AMEZAGA, FEDERICO
Exec Dt:
04/15/2015
2
HELMS, MARTIN
Exec Dt:
04/15/2015
3
LIESS, MARTIN
Exec Dt:
04/15/2015
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10081991
US20160123094
14683391
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 24
Reel/Frame:046936/0576   Pages: 3
Recorded: 09/21/2018
Attorney Dkt #:WEAT/1250USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AMEZAGA, FEDERICO
Exec Dt:
04/15/2015
2
HELMS, MARTIN
Exec Dt:
04/15/2015
3
LIESS, MARTIN
Exec Dt:
04/15/2015
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190017335
16136865
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 25
Reel/Frame:037178/0744   Pages: 6
Recorded: 12/01/2015
Attorney Dkt #:WEAT/1226US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELMS, MARTIN
Exec Dt:
11/24/2015
2
THOMAS, BENSON
Exec Dt:
12/01/2015
3
LIESS, MARTIN
Exec Dt:
11/24/2015
4
KIESS, CHRISTIAN
Exec Dt:
11/24/2015
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10132126
US20160145954
14948006
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 26
Reel/Frame:037578/0403   Pages: 3
Recorded: 01/26/2016
Attorney Dkt #:WEAT/1282US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
01/25/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10590744
US20170074075
15004390
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 27
Reel/Frame:037788/0489   Pages: 4
Recorded: 02/22/2016
Attorney Dkt #:WEAT/1293US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZOUHAIR, AICAM
Exec Dt:
02/03/2016
2
THIEMANN, BJOERN
Exec Dt:
01/25/2016
3
LIESS, MARTIN
Exec Dt:
01/25/2016
4
WERN, FRANK
Exec Dt:
01/25/2016
5
OWNBY, JOHN FIELDING
Exec Dt:
02/03/2016
6
HEBEBRAND, CHRISTINA KARIN
Exec Dt:
01/25/2016
7
AMEZAGA, FEDERICO
Exec Dt:
01/25/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10323484
US20170067320
15004736
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 28
Reel/Frame:037789/0354   Pages: 4
Recorded: 02/22/2016
Attorney Dkt #:WEAT/1289US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEBEBRAND, CHRISTINA KARIN
Exec Dt:
01/25/2016
2
THIEMANN, BJOERN
Exec Dt:
01/25/2016
3
LIESS, MARTIN
Exec Dt:
01/25/2016
4
WERN, FRANK
Exec Dt:
01/25/2016
5
ZOUHAIR, AICAM
Exec Dt:
02/03/2016
6
OWNBY, JOHN FIELDING
Exec Dt:
02/03/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10626683
US20170044875
15004687
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 29
Reel/Frame:037603/0117   Pages: 3
Recorded: 01/28/2016
Attorney Dkt #:WEAT/1244US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELMS, MARTIN
Exec Dt:
01/27/2016
2
LIESS, MARTIN
Exec Dt:
01/27/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11225854
US20160215592
15006562
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 30
Reel/Frame:039461/0709   Pages: 4
Recorded: 08/17/2016
Attorney Dkt #:WEAT/1290US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEBEBRAND, CHRISTINA KARIN
Exec Dt:
08/11/2016
2
THIEMANN, BJOERN
Exec Dt:
08/11/2016
3
LIESS, MARTIN
Exec Dt:
08/11/2016
4
WERN, FRANK
Exec Dt:
08/11/2016
5
ZOUHAIR, AICAM
Exec Dt:
08/16/2016
6
OWNBY, JOHN FIELDING
Exec Dt:
08/16/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10465457
US20170044854
15233333
Correspondence name and address
PATTERSON & SHERIDAN, L.L.P. / WEATHERFO
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 31
Reel/Frame:039530/0398   Pages: 5
Recorded: 08/24/2016
Attorney Dkt #:WEAT/1292US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WERN, FRANK
Exec Dt:
08/22/2016
2
THIEMANN, BJOERN
Exec Dt:
08/22/2016
3
ZOUHAIR, AICAM
Exec Dt:
08/22/2016
4
LIESS, MARTIN
Exec Dt:
08/22/2016
5
HEBEBRAND, CHRISTINA KARIN
Exec Dt:
08/22/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10428602
US20170051568
15241815
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 32
Reel/Frame:039879/0878   Pages: 4
Recorded: 09/28/2016
Attorney Dkt #:WEAT/1291US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEMANN, BJOERN
Exec Dt:
09/08/2016
2
WERN, FRANK
Exec Dt:
09/08/2016
3
OWNBY, JOHN FIELDING
Exec Dt:
09/08/2016
4
ZOUHAIR, AICAM
Exec Dt:
09/09/2016
5
LIESS, MARTIN
Exec Dt:
09/08/2016
6
HEBEBRAND, CHRISTINA KARIN
Exec Dt:
09/08/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10309166
US20170067303
15258752
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 33
Reel/Frame:040989/0442   Pages: 3
Recorded: 12/15/2016
Attorney Dkt #:WEAT/1338US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROTHE, JAN
Exec Dt:
11/29/2016
2
ZIMBELMANN, GEORG
Exec Dt:
12/05/2016
3
THIEMANN, BJOERN
Exec Dt:
11/29/2016
4
LIESS, MARTIN
Exec Dt:
11/29/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10337264
US20180142524
15357823
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 34
Reel/Frame:042161/0177   Pages: 3
Recorded: 04/27/2017
Attorney Dkt #:WEAT/1355US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUEHRING, ERNST
Exec Dt:
04/18/2017
2
LIESS, MARTIN
Exec Dt:
04/18/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10954753
US20180245433
15445758
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 35
Reel/Frame:042549/0525   Pages: 3
Recorded: 05/31/2017
Attorney Dkt #:WEAT/1367US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AMEZAGA, FEDERICO
Exec Dt:
05/17/2017
2
STANKOVIC, IGOR
Exec Dt:
05/17/2017
3
LIESS, MARTIN
Exec Dt:
05/17/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10247246
US20180258998
15457572
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 36
Reel/Frame:043875/0610   Pages: 8
Recorded: 10/16/2017
Attorney Dkt #:WEAT/1366US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
07/26/2017
2
MOLLIN, WINFRIED
Exec Dt:
07/27/2017
3
RUARK, GRAHAM
Exec Dt:
07/24/2017
4
CHANDLER, MARK
Exec Dt:
10/16/2017
5
LY, LIZABETH J.
Exec Dt:
07/31/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10443326
US20180258717
15656684
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 37
Reel/Frame:050115/0985   Pages: 8
Recorded: 08/21/2019
Attorney Dkt #:WEAT/1366USD01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
07/26/2017
2
MOLLIN, WINFRIED
Exec Dt:
07/27/2017
3
RUARK, GRAHAM
Exec Dt:
07/24/2017
4
CHANDLER, MARK
Exec Dt:
10/16/2017
5
LY, LIZABETH J.
Exec Dt:
07/31/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11078732
US20190368283
16540959
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 38
Reel/Frame:043685/0032   Pages: 3
Recorded: 09/25/2017
Attorney Dkt #:WEAT/1358US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
08/07/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10577892
US20190040717
15667504
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 39
Reel/Frame:043999/0605   Pages: 3
Recorded: 09/25/2017
Attorney Dkt #:WEAT/1372US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
09/19/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10527104
US20190024721
15656914
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 40
Reel/Frame:044013/0160   Pages: 3
Recorded: 09/26/2017
Attorney Dkt #:WEAT/1361US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
09/26/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10745978
US20190040914
15670897
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 41
Reel/Frame:044539/0636   Pages: 3
Recorded: 01/04/2018
Attorney Dkt #:WEAT/1367USD01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
11/24/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10837495
US20180258999
15806560
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 42
Reel/Frame:047198/0739   Pages: 3
Recorded: 10/17/2018
Attorney Dkt #:WEAT/1394US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEMANN, BJOERN
Exec Dt:
08/16/2018
2
LIESS, MARTIN
Exec Dt:
08/16/2018
3
HEIDECKE, KARSTEN
Exec Dt:
09/06/2018
4
HELMS, MARTIN
Exec Dt:
08/22/2018
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10648255
US20190277100
15917459
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 43
Reel/Frame:056944/0513   Pages: 3
Recorded: 07/22/2021
Attorney Dkt #:WEAT/1419US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIESS, MARTIN
Exec Dt:
07/22/2021
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11136838
US20210332650
16855492
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 44
Reel/Frame:060460/0954   Pages: 3
Recorded: 07/08/2022
Attorney Dkt #:WEAT/1462US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESS, MARTIN
Exec Dt:
07/04/2022
2
ZIMBELMANN, GEORG
Exec Dt:
07/04/2022
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11970915
US20240011360
17858941
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046

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