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Patent Assignment Assignor Details
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Assignor Name : DISMUKE, KEITH
Total Assignments: 17
Assignment: 1
Reel/Frame:011594/0852   Pages: 6
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FERAUD, JEAN PIERRE
Exec Dt:
10/18/2000
2
PARRIS, MICHAEL D.
Exec Dt:
10/23/2000
3
HUTCHINS, RICHARD D.
Exec Dt:
10/20/2000
4
MCCONNELL, STANLEY BRUCE
Exec Dt:
10/20/2000
5
DISMUKE, KEITH
Exec Dt:
10/20/2000
6
NELSON, ERIK B.
Exec Dt:
10/20/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613720
NONE
09688319
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:012158/0417   Pages: 15
Recorded: 09/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/14/2001
2
LUNGWITZ, BERNHARD
Exec Dt:
03/14/2001
3
DISMUKE, KEITH
Exec Dt:
03/14/2001
4
SAMUEL, MATHEW
Exec Dt:
03/14/2001
5
PARRIS, MICHAEL
Exec Dt:
03/14/2001
6
SALAMAT, GOLCHI
Exec Dt:
03/14/2001
7
LEE, JESSE C.
Exec Dt:
03/14/2001
8
FLETCHER, PHILIP
Exec Dt:
03/14/2001
9
FU, DIANKUI
Exec Dt:
03/14/2001
10
HUTCHINS, RICHARD
Exec Dt:
03/14/2001
11
TUSTIN, GARY J.
Exec Dt:
05/02/2001
12
HUGHES, TREVOR
Exec Dt:
05/02/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6881709
US20020004464
09826127
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD 1
SUGAR LAND, TEXAS 77478
Assignment: 3
Reel/Frame:014185/0208   Pages: 4
Recorded: 12/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILLBERG, DEAN
Exec Dt:
10/22/2003
2
DISMUKE, KEITH
Exec Dt:
10/21/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD1
SUGAR LAND, TEXAS 77469
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7265079
US20040106525
10605687
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:014229/0497   Pages: 4
Recorded: 01/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STILL, JOHN W
Exec Dt:
10/22/2003
2
DISMUKE, KEITH
Exec Dt:
10/22/2003
3
FRENIER, WAYNE W
Exec Dt:
10/27/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7166560
US20040152601
10605784
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:015579/0756   Pages: 6
Recorded: 01/18/2005
Attorney Dkt #:560732
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FU, DIANKUI
Exec Dt:
10/08/2004
2
DISMUKE, KEITH
Exec Dt:
11/25/2004
3
DAVIES, STEPHEN
Exec Dt:
01/11/2005
4
WATTANA, PIYANAT
Exec Dt:
10/08/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TEXAS 77469
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7244694
US20060046937
10932958
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:018608/0708   Pages: 7
Recorded: 12/11/2006
Attorney Dkt #:21.1244
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LE ROY-DELAGE, SYLVAINE
Exec Dt:
11/23/2005
2
MARTIN-BEUREL, MURIEL
Exec Dt:
12/19/2005
3
DISMUKE, KEITH
Exec Dt:
12/14/2005
4
NELSON, ERIK
Exec Dt:
12/06/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070204765
10557106
Correspondence name and address
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:018785/0081   Pages: 7
Recorded: 01/22/2007
Attorney Dkt #:21.1243
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LE ROY-DELAGE, SYLVAINE
Exec Dt:
11/18/2005
2
GUILLOT, DOMINIQUE
Exec Dt:
02/02/2006
3
DISMUKE, KEITH
Exec Dt:
12/14/2005
4
NELSON, ERIK
Exec Dt:
11/23/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070137528
10556990
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:025469/0511   Pages: 9
Recorded: 12/10/2010
Attorney Dkt #:21.1244CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LE ROY-DELAGE, SYLVAINE
Exec Dt:
11/18/2010
2
MARTIN-BEUREL, MURIEL
Exec Dt:
10/29/2010
3
DISMUKE, KEITH
Exec Dt:
12/02/2010
4
NELSON, ERIK
Exec Dt:
12/02/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8469095
US20110067868
12892543
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:026932/0511   Pages: 6
Recorded: 09/20/2011
Attorney Dkt #:P1946US01 P1946PC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DISMUKE, KEITH
Exec Dt:
08/01/2011
2
FOX, RICHARD NELSON
Exec Dt:
08/01/2011
3
JUPPE, HERBERT
Exec Dt:
08/04/2011
4
KAUFMAN, PHILLIP B.
Exec Dt:
08/03/2011
5
PENNY, GLENN S.
Exec Dt:
08/04/2011
6
ZHOU, BILL
Exec Dt:
08/01/2011
Assignee
1
CESI CHEMICAL, INC.
1004 S. PLAINSMAN ROAD
MARLOW, OKLAHOMA 73055
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130029883
13194587
Correspondence name and address
DAVID M. SULLIVAN
20 NORTH BROADWAY, SUITE 1800
OKLAHOMA CITY, OK 73102
Assignment: 10
Reel/Frame:031366/0588   Pages: 4
Recorded: 10/08/2013
Attorney Dkt #:P1988US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZELENEV, ANDREI
Exec Dt:
05/18/2012
2
CHAMPAGNE, LAKIA M.
Exec Dt:
05/21/2012
3
ZHOU, BILL
Exec Dt:
05/18/2012
4
LETT, NATHAN
Exec Dt:
05/21/2012
5
DISMUKE, KEITH
Exec Dt:
05/21/2012
6
PENNY, GLENN S.
Exec Dt:
05/22/2012
Assignee
1
CESI CHEMICAL, INC.
1004 S. PLAINSMAN ROAD
MARLOW, OKLAHOMA 73055
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9200192
US20140299325
13889709
Correspondence name and address
DAVID M. SULLIVAN
20 NORTH BROADWAY, SUITE 1800
OKLAHOMA CITY, OK 73102
Assignment: 11
Reel/Frame:030166/0191   Pages: 5
Recorded: 04/08/2013
Attorney Dkt #:P2015US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PENNY, GLENN S.
Exec Dt:
03/22/2013
2
DISMUKE, KEITH
Exec Dt:
03/22/2013
3
FOX, RICHARD
Exec Dt:
03/27/2013
4
ZELENEV, ANDREI
Exec Dt:
03/22/2013
5
HILL, RANDAL
Exec Dt:
03/22/2013
Assignee
1
CESI CHEMICAL, INC.
1004 S. PLAINSMAN ROAD
MARLOW, OKLAHOMA 73055
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140262288
13831410
Correspondence name and address
DAVID M. SULLIVAN
20 NORTH BROADWAY, SUITE 1800
OKLAHOMA CITY, OK 73102
Assignment: 12
Reel/Frame:030166/0494   Pages: 6
Recorded: 04/08/2013
Attorney Dkt #:P2016US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DISMUKE, KEITH
Exec Dt:
03/22/2013
2
PHILPOT, DAVID
Exec Dt:
03/29/2013
3
HILL, RANDAL
Exec Dt:
03/22/2013
4
PENNYPACKER, RONDELL
Exec Dt:
04/03/2013
5
HILL, STEVEN
Exec Dt:
04/03/2013
Assignee
1
CESI CHEMICAL, INC.
1004 S. PLAINSMAN ROAD
MARLOW, OKLAHOMA 73055
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140262274
13830925
Correspondence name and address
DAVID M. SULLIVAN
20 NORTH BROADWAY, SUITE 1800
OKLAHOMA CITY, OK 73102
Assignment: 13
Reel/Frame:033535/0674   Pages: 16
Recorded: 08/14/2014
Attorney Dkt #:C1408.70021US00
Conveyance: CONFIRMATORY ASSIGNMENT
Assignors
1
DISMUKE, KEITH
Exec Dt:
07/01/2014
2
PHILPOT, DAVID
Exec Dt:
07/01/2014
3
HILL, RANDAL
Exec Dt:
08/13/2014
4
PENNYPACKER, RONDELL
Exec Dt:
07/01/2014
5
HILL, STEVEN
Exec Dt:
07/01/2014
Assignee
1
CESI CHEMICAL, INC.
10603 W. SAM HOUSTON PKWY N.
SUITE 300
HOUSTON, TEXAS 77064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140262274
13830925
Correspondence name and address
ROBERT H. WALAT
600 ATLANTIC AVENUE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210-2206
Assignment: 14
Reel/Frame:033535/0702   Pages: 18
Recorded: 08/14/2014
Attorney Dkt #:C1408.70022US00
Conveyance: CONFIRMATORY ASSIGNMENT
Assignors
1
DISMUKE, KEITH
Exec Dt:
07/01/2014
2
PHILPOT, DAVID
Exec Dt:
07/01/2014
3
HILL, RANDAL
Exec Dt:
08/13/2014
4
PENNYPACKER, RONDELL
Exec Dt:
07/01/2014
5
HILL, STEVEN
Exec Dt:
07/01/2014
6
SIFFERMAN, THOMAS R.
Exec Dt:
07/30/2014
Assignee
1
CESI CHEMICAL, INC.
10603 W. SAM HOUSTON PKWY N.
SUITE 300
HOUSTON, TEXAS 77064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140274822
14055862
Correspondence name and address
ROBERT H. WALAT
600 ATLANTIC AVENUE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210-2206
Assignment: 15
Reel/Frame:033616/0150   Pages: 10
Recorded: 08/26/2014
Attorney Dkt #:C1408.70019US00
Conveyance: CONFIRMATORY ASSIGNMENT
Assignors
1
ZELENEV, ANDREI
Exec Dt:
07/21/2014
2
CHAMPAGNE, LAKIA M.
Exec Dt:
08/04/2014
3
ZHOU, BILL
Exec Dt:
07/18/2014
4
LETT, NATHAN
Exec Dt:
06/25/2014
5
DISMUKE, KEITH
Exec Dt:
07/01/2014
6
PENNY, GLENN S.
Exec Dt:
08/21/2014
Assignee
1
CESI CHEMICAL, INC.
10603 W. SAM HOUSTON PKWY N.
SUITE 300
HOUSTON, TEXAS 77064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9200192
US20140299325
13889709
Correspondence name and address
ROBERT H. WALAT
600 ATLANTIC AVENUE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210-2206
Assignment: 16
Reel/Frame:033616/0428   Pages: 16
Recorded: 08/26/2014
Attorney Dkt #:C1408.70020US00
Conveyance: CONFIRMATORY ASSIGNMENT
Assignors
1
PENNY, GLENN S.
Exec Dt:
08/21/2014
2
DISMUKE, KEITH
Exec Dt:
07/01/2014
3
FOX, RICHARD
Exec Dt:
07/17/2014
4
ZELENEV, ANDREI
Exec Dt:
07/23/2014
5
HILL, RANDAL M.
Exec Dt:
08/13/2014
Assignee
1
CESI CHEMICAL, INC.
10603 W. SAM HOUSTON PKWY N.
SUITE 300
HOUSTON, TEXAS 77064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140262288
13831410
Correspondence name and address
ROBERT H. WALAT
600 ATLANTIC AVENUE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210-2206
Assignment: 17
Reel/Frame:037109/0100   Pages: 10
Recorded: 11/13/2015
Attorney Dkt #:C1408.70019US01
Conveyance: CONFIRMATORY ASSIGNMENT
Assignors
1
ZELENEV, ANDREI
Exec Dt:
07/21/2014
2
CHAMPAGNE, LAKIA M.
Exec Dt:
08/04/2014
3
ZHOU, BILL
Exec Dt:
07/18/2014
4
LETT, NATHAN
Exec Dt:
06/25/2014
5
DISMUKE, KEITH
Exec Dt:
07/01/2014
6
PENNY, GLENN S.
Exec Dt:
08/21/2014
Assignee
1
CESI CHEMICAL, INC.
10603 W. SAM HOUSTON PKWY N.
SUITE 300
HOUSTON, TEXAS 77064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10144862
US20160060505
14938399
Correspondence name and address
ROBERT H. WALAT
600 ATLANTIC AVENUE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210

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