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Patent Assignment Assignor Details
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Assignor Name : HEGNA, STIAN
Total Assignments: 51
Assignment: 1
Reel/Frame:017963/0625   Pages: 3
Recorded: 07/18/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOOGEVEEN, JEROEN
Exec Dt:
07/13/2006
2
HEGNA, STIAN
Exec Dt:
07/14/2006
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7539079
US20070230268
11392420
Correspondence name and address
E. EUGENE THIIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TEXAS 77079
Assignment: 2
Reel/Frame:018337/0253   Pages: 4
Recorded: 09/29/2006
Attorney Dkt #:pgs-06-18us
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TENGHAMN, STIG RUNO LENNART
Exec Dt:
09/29/2006
2
BORRESEN, CLAES NICOLAI
Exec Dt:
09/28/2006
3
HEGNA, STIAN
Exec Dt:
09/18/2006
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080008034
11481312
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 3
Reel/Frame:019833/0431   Pages: 3
Recorded: 09/17/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
01/29/2007
2
HILLESUND, OYVIND
Exec Dt:
01/29/2007
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8465790
US20080014243
11840657
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 4
Reel/Frame:019060/0846   Pages: 4
Recorded: 03/21/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
02/23/2007
2
DAY, ANTHONY JAMES
Exec Dt:
02/23/2007
3
PARKES, GREGORY ERNEST
Exec Dt:
03/05/2007
Assignee
1
PGS GEOPHYSICAL AS
STRANDVELEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7518953
US20080175102
11655667
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 5
Reel/Frame:019503/0934   Pages: 3
Recorded: 06/29/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLESUND, OYVIND
Exec Dt:
06/18/2007
2
HEGNA, STIAN
Exec Dt:
06/18/2007
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7733740
US20080074946
11731372
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 6
Reel/Frame:020055/0908   Pages: 5
Recorded: 10/31/2007
Conveyance: CORRECTION TO PREVIOUSLY RECORDED REEL 019980 FRAME 0386
Assignors
1
LUNDE, NILS
Exec Dt:
10/17/2007
2
STENZEL, ANDRE
Exec Dt:
10/17/2007
3
HILLESUND, OYVIND
Exec Dt:
10/17/2007
4
HEGNA, STIAN
Exec Dt:
10/09/2007
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090010101
11825170
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 7
Reel/Frame:020405/0645   Pages: 3
Recorded: 01/23/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
01/10/2008
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9001618
US20090147621
11999396
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 8
Reel/Frame:021446/0465   Pages: 3
Recorded: 08/26/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
01/10/2008
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9001618
US20090147621
11999396
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 9
Reel/Frame:022467/0369   Pages: 4
Recorded: 03/27/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STENZEL, ANDRE
Exec Dt:
03/27/2009
2
HILLESUND, QYVIND
Exec Dt:
03/24/2009
3
LUNDE, NILS
Exec Dt:
03/26/2009
4
HEGNA, STIAN
Exec Dt:
03/24/2009
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9207340
US20100165792
12317644
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 10
Reel/Frame:023236/0410   Pages: 3
Recorded: 09/15/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
08/03/2009
2
PARKES, GREGORY ERNEST
Exec Dt:
09/08/2009
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8345510
US20100008184
12455470
Correspondence name and address
E. EUGENE THIGPEN
15150 MEMORIAL DRIVE
HOUSTON, TEXAS 77079
Assignment: 11
Reel/Frame:036032/0510   Pages: 3
Recorded: 07/08/2015
Attorney Dkt #:PGS-09-03US-DIV2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
08/03/2009
2
PARKES, GREGORY E.
Exec Dt:
09/08/2009
Assignee
1
PGS GEOPHYSICAL, A.S.
P.O.BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9684086
US20160047930
14794554
Correspondence name and address
PETROLEUM GEO-SERVICES, INC.
P.O. BOX 42805
HOUSTON, TX 77242-2805
Assignment: 12
Reel/Frame:024624/0030   Pages: 3
Recorded: 06/29/2010
Attorney Dkt #:PGS-09-20US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOLLNER, WALTER
Exec Dt:
06/23/2010
2
HEGNA, STIAN
Exec Dt:
06/23/2010
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8902699
US20110242937
12798136
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 13
Reel/Frame:024919/0550   Pages: 3
Recorded: 09/01/2010
Attorney Dkt #:PGS-09-25US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLESUND, OYVIND
Exec Dt:
08/23/2010
2
HEGNA, STIAN
Exec Dt:
08/23/2010
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8792297
US20120002502
12803730
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 14
Reel/Frame:041936/0623   Pages: 3
Recorded: 04/10/2017
Attorney Dkt #:PGS-09-25US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLESUND, ØYVIND
Exec Dt:
08/23/2010
2
HEGNA, STIAN
Exec Dt:
08/23/2010
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9851464
US20150085609
14444512
Correspondence name and address
PETROLEUM GEO-SERVICES, INC.
WEST MEMORIAL PLACE 1
15375 MEMORIAL DRIVE, SUITE 100
HOUSTON, TX 77079
Assignment: 15
Reel/Frame:024981/0617   Pages: 3
Recorded: 09/14/2010
Attorney Dkt #:PGS-10-03US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
09/10/2010
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8456950
US20120026829
12804837
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 16
Reel/Frame:025195/0135   Pages: 3
Recorded: 10/26/2010
Attorney Dkt #:PGS-10-08US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
09/29/2010
2
PARKES, GREGORY ERNEST
Exec Dt:
10/20/2010
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366 LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10838095
US20120033526
12806098
Correspondence name and address
E. EUGENE THIGPEN
PETROLEUM GEO-SERVICES, INC.
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 17
Reel/Frame:026214/0986   Pages: 4
Recorded: 05/03/2011
Attorney Dkt #:PGS-10-24US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGORY ERNEST
Exec Dt:
04/05/2011
2
HEGNA, STIAN
Exec Dt:
04/05/2011
3
DAY, ANTHONY JAMES
Exec Dt:
04/05/2011
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8600680
US20120259553
13066036
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 18
Reel/Frame:026554/0818   Pages: 4
Recorded: 07/07/2011
Attorney Dkt #:PGS-10-45 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
06/07/2011
2
SOLLNER, WALTER
Exec Dt:
06/07/2011
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4, N-1366
LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8902698
US20120307591
13149512
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 19
Reel/Frame:027098/0802   Pages: 4
Recorded: 10/21/2011
Attorney Dkt #:PGS-11-08US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGORY ERNEST
Exec Dt:
10/19/2011
2
HEGNA, STIAN
Exec Dt:
10/21/2011
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8596409
US20130092469
13271769
Correspondence name and address
KRUEGER ISELIN LLP
P.O. BOX 1906
CYPRESS, TX 77410-1906
Assignment: 20
Reel/Frame:027125/0346   Pages: 5
Recorded: 10/26/2011
Attorney Dkt #:PGS-11-18US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AARON, PETER A.
Exec Dt:
10/26/2011
2
HEGNA, STIAN
Exec Dt:
10/21/2011
3
PARKES, GREGORY ERNEST
Exec Dt:
10/20/2011
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982663
US20130088938
13269991
Correspondence name and address
KRUEGER ISELIN LLP
15040 FAIRFIELD VILLAGE SQUARE DR.
SUITE 280
CYPRESS, TX 77433
Assignment: 21
Reel/Frame:027694/0073   Pages: 3
Recorded: 02/13/2012
Attorney Dkt #:PGS-11-15US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGORY ERNEST
Exec Dt:
02/10/2012
2
HEGNA, STIAN
Exec Dt:
02/13/2012
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9411062
US20130201791
13367787
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 22
Reel/Frame:028297/0933   Pages: 3
Recorded: 05/31/2012
Attorney Dkt #:PGS-12-18US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
05/31/2012
2
JULLIARD, FABIEN
Exec Dt:
05/31/2012
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10241218
US20130325427
13483327
Correspondence name and address
OLYMPIC PATENT WORKS PLLC
P.O. BOX 4277
SEATTLE, WA 98194-0277
Assignment: 23
Reel/Frame:028371/0001   Pages: 7
Recorded: 06/13/2012
Attorney Dkt #:PGS-11-52US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WHITMORE, NORMAN DANIEL, JR.
Exec Dt:
06/04/2012
2
SOLLNER, WALTER
Exec Dt:
06/01/2012
3
HEGNA, STIAN
Exec Dt:
05/31/2012
4
LAMELOISE, CHARLES
Exec Dt:
06/08/2012
5
TONNESSEN, RUNE
Exec Dt:
06/01/2012
6
PARKES, GREGG
Exec Dt:
06/07/2012
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9291737
US20130322208
13484556
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 24
Reel/Frame:029040/0785   Pages: 8
Recorded: 09/27/2012
Attorney Dkt #:PGS-11-54US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIDMAIER, MARTIN
Exec Dt:
07/04/2012
2
SOLLNER, WALTER
Exec Dt:
07/04/2012
3
HEGNA, STIAN
Exec Dt:
07/04/2012
4
BISHOP, STEVE
Exec Dt:
06/01/2012
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
N-1366
LYSAKER, NORWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9007870
US20130322205
13485552
Correspondence name and address
DEAN M. MUNYON
MEYERTONS HOOD KIVLIN KOWERT & GOETZEL
P.O. BOX 398
AUSTIN, TX 78767-0398
Assignment: 25
Reel/Frame:028535/0208   Pages: 4
Recorded: 07/12/2012
Attorney Dkt #:PGS-11-51US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOLLNER, WALTER
Exec Dt:
07/11/2012
2
ORJI, OKWUDILI
Exec Dt:
07/11/2012
3
HEGNA, STIAN
Exec Dt:
07/12/2012
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9442209
US20140016436
13545609
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 26
Reel/Frame:030032/0087   Pages: 4
Recorded: 03/18/2013
Attorney Dkt #:PGS-12-55US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGG
Exec Dt:
03/14/2013
2
HEGNA, STIAN
Exec Dt:
03/13/2013
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9329293
US20140269182
13795661
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 27
Reel/Frame:031508/0675   Pages: 11
Recorded: 10/30/2013
Attorney Dkt #:PGS-12-50US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
10/16/2013
2
PARKES, GREGG
Exec Dt:
10/09/2013
3
JULLIARD, FABIEN
Exec Dt:
10/16/2013
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10502851
US20140269170
13915504
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 28
Reel/Frame:031665/0520   Pages: 3
Recorded: 11/25/2013
Attorney Dkt #:PGS-13-19US-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
11/25/2013
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10459100
US20150003196
14074080
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 29
Reel/Frame:031665/0597   Pages: 3
Recorded: 11/25/2013
Attorney Dkt #:PGS-13-19US-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
11/25/2013
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11092710
US20150003197
14074190
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 30
Reel/Frame:031665/0761   Pages: 11
Recorded: 11/25/2013
Attorney Dkt #:PGS-13-14US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGG
Exec Dt:
11/18/2013
2
HEGNA, STIAN
Exec Dt:
11/25/2013
3
DROSSAERT, FRANCIS
Exec Dt:
11/25/2013
Assignee
1
PGS GEOPHYSICAL AS
STRANDVEIEN 4
LYSAKER, NORWAY N-1366
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9482766
US20140340983
14076044
Correspondence name and address
SONJA COX
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 31
Reel/Frame:033893/0322   Pages: 4
Recorded: 10/06/2014
Attorney Dkt #:PGS-14-14US-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
09/30/2014
2
PARKES, GREGG E.
Exec Dt:
10/04/2014
Assignee
1
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C
OSLO, NORWAY 0283
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9903966
US20150293241
14490912
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 32
Reel/Frame:033893/0780   Pages: 4
Recorded: 10/06/2014
Attorney Dkt #:PGS-14-14US-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
09/30/2014
2
PARKES, GREGG E.
Exec Dt:
10/04/2014
Assignee
1
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C
OSLO, NORWAY 0283
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9874646
US20150293242
14490974
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 33
Reel/Frame:034205/0729   Pages: 3
Recorded: 11/19/2014
Attorney Dkt #:PGS-14-04US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
11/19/2014
Assignee
1
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C
OSLO, NORWAY 0283
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9513392
US20150234071
14538583
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON,, TX 77079
Assignment: 34
Reel/Frame:034551/0509   Pages: 4
Recorded: 12/18/2014
Attorney Dkt #:PGS-11-16US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
12/17/2014
2
KLUVER, TILMAN
Exec Dt:
12/17/2014
Assignee
1
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C
P.O. BOX 251
LILLEAKER, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9921325
US20160170054
14571656
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
TREVOR TOPF
HOUSTON, TX 77079
Assignment: 35
Reel/Frame:035461/0850   Pages: 6
Recorded: 04/21/2015
Attorney Dkt #:PGS-14123US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGG
Exec Dt:
02/03/2015
2
HEGNA, STIAN
Exec Dt:
01/06/2015
3
DROSSAERT, FRANCIS
Exec Dt:
01/06/2015
Assignee
1
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10234578
US20160047922
14586506
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
TREVOR TOPF
HOUSTON, TX 77079
Assignment: 36
Reel/Frame:035176/0025   Pages: 4
Recorded: 03/16/2015
Attorney Dkt #:PGS-14120US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
03/16/2015
2
PARKES, GREGG
Exec Dt:
03/13/2015
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10317553
US20160047928
14645247
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
TREVOR TOPF
HOUSTON, TX 77079
Assignment: 37
Reel/Frame:035176/0067   Pages: 4
Recorded: 03/16/2015
Attorney Dkt #:PGS-14121US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
03/16/2015
2
PARKES, GREGG
Exec Dt:
03/13/2015
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10132946
US20160047929
14645337
Correspondence name and address
PETROLEUM GEO-SERVICES
15150 MEMORIAL DRIVE
HOUSTON, TX 77079
Assignment: 38
Reel/Frame:036322/0865   Pages: 3
Recorded: 08/13/2015
Attorney Dkt #:PGS-14132-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
08/11/2015
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10073183
US20160109594
14820415
Correspondence name and address
PETROLEUM GEO-SERVICES
WEST MEMORIAL PLACE 1
15375 MEMORIAL DRIVE, SUITE 100
HOUSTON, TX 77079
Assignment: 39
Reel/Frame:037707/0136   Pages: 4
Recorded: 02/11/2016
Attorney Dkt #:PGS-15111-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SÜDOW, GUSTAV GÖRAN MATTIAS
Exec Dt:
02/11/2016
2
HEGNA, STIAN
Exec Dt:
02/11/2016
Assignee
1
PGS GEOPHYSICAL AS
PO BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9910063
US20160313366
15019831
Correspondence name and address
COREY TUMEY
PO BOX 22188
HOUSTON, TX 77227
Assignment: 40
Reel/Frame:038167/0664   Pages: 4
Recorded: 04/01/2016
Attorney Dkt #:PGS-15104-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
03/31/2016
2
KLUVER, TILMAN
Exec Dt:
04/01/2016
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9915745
US20160377756
15084748
Correspondence name and address
CONLEY ROSE, P.C.
13413 GALLERIA CIRCLE
SUITE 100
AUSTIN, TX 78738
Assignment: 41
Reel/Frame:041931/0599   Pages: 7
Recorded: 04/07/2017
Attorney Dkt #:PGS-11-15US-DIV1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKES, GREGORY ERNEST
Exec Dt:
03/21/2017
2
HEGNA, STIAN
Exec Dt:
07/18/2016
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10989825
US20160320510
15209554
Correspondence name and address
PGS GEOPHYSICAL AS
WEST MEMORIAL PLACE 1
15375 MEMORIAL DRIVE, SUITE 100
HOUSTON, TX 77079
Assignment: 42
Reel/Frame:040400/0187   Pages: 6
Recorded: 11/22/2016
Attorney Dkt #:PGS-15142-US-ORG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIMA, JOSTEIN
Exec Dt:
11/09/2016
2
KLUVER, TILMAN
Exec Dt:
11/18/2016
3
HEGNA, STIAN
Exec Dt:
11/09/2016
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10495770
US20170176620
15344669
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 43
Reel/Frame:041119/0680   Pages: 4
Recorded: 01/30/2017
Attorney Dkt #:PGS-16113-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
01/25/2017
2
KLUVER, TILMAN
Exec Dt:
01/30/2017
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10338255
US20170299746
15412135
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 44
Reel/Frame:041457/0222   Pages: 4
Recorded: 03/03/2017
Attorney Dkt #:PGS-16109-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLUVER, TILMAN
Exec Dt:
03/03/2017
2
HEGNA, STIAN
Exec Dt:
03/03/2017
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10267936
US20170299743
15446328
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 45
Reel/Frame:043820/0993   Pages: 4
Recorded: 10/10/2017
Attorney Dkt #:PGS-16141-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TENGHAMN, STIG RUNE LENNART
Exec Dt:
10/09/2017
2
HEGNA, STIAN
Exec Dt:
09/15/2017
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10557749
US20180106666
15704098
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 46
Reel/Frame:047215/0388   Pages: 4
Recorded: 10/11/2018
Attorney Dkt #:PGS-17144-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
10/10/2018
2
KLUVER, TILMAN
Exec Dt:
10/10/2018
3
LIMA, JOSTEIN
Exec Dt:
10/10/2018
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11480701
US20190113645
16154876
Correspondence name and address
PETROLEUM GEO-SERVICES, INC.
WEST MEMORIAL PLACE 1
15375 MEMORIAL DRIVE, SUITE 100
HOUSTON, TX 77079
Assignment: 47
Reel/Frame:050875/0844   Pages: 6
Recorded: 10/30/2019
Attorney Dkt #:PGS-16163-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
09/13/2019
2
SÜDOW, MATTIAS
Exec Dt:
10/29/2019
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200033503
16488313
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 48
Reel/Frame:051842/0971   Pages: 5
Recorded: 02/18/2020
Attorney Dkt #:PGS-18134-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
02/18/2020
2
KLUVER, TILMAN
Exec Dt:
02/18/2020
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11573345
US20200271806
16793093
Correspondence name and address
BROOKS, CAMERON & HUEBSCH, PLLC
1201 MARQUETTE AVENUE SOUTH
SUITE 400
MINNEAPOLIS, MN 55403
Assignment: 49
Reel/Frame:052265/0163   Pages: 4
Recorded: 03/30/2020
Attorney Dkt #:PGS-19105-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
02/18/2020
2
KLÜVER, TILMAN
Exec Dt:
02/18/2020
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200333490
16835015
Correspondence name and address
OLYMPIC PATENT WORKS PLLC
P.O. BOX 4277
SEATTLE, WA 98194
Assignment: 50
Reel/Frame:052977/0731   Pages: 5
Recorded: 06/18/2020
Attorney Dkt #:PGS-19104-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEGNA, STIAN
Exec Dt:
04/14/2020
2
ORJI, OKWUDILI
Exec Dt:
04/14/2020
3
OSCARSSON-NAGEL, MATTIAS
Exec Dt:
02/14/2020
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200333485
16845587
Correspondence name and address
OLYMPIC PATENT WORKS PLLC
P.O. BOX 4277
SEATTLE, WA 98194
Assignment: 51
Reel/Frame:055630/0472   Pages: 4
Recorded: 03/17/2021
Attorney Dkt #:PGS-20105-US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEGNA, STIAN
Exec Dt:
03/15/2021
Assignee
1
PGS GEOPHYSICAL AS
P.O. BOX 251 LILLEAKER
OSLO, NORWAY 0216
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220035060
17204854
Correspondence name and address
KEVIN M HART
23501 CINCO RANCH BLVD.
SUITE H120-916
KATY, TX 77494

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