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Patent Assignment Assignor Details
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Assignor Name : LEISING, LAWRENCE J.
Total Assignments: 19
Assignment: 1
Reel/Frame:004413/0203   Pages: 2
Recorded: 05/31/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEISING, LAWRENCE J.
Exec Dt:
05/31/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5000 GULF FREEWAY
P.O. BOX 1472, A CORP OF TX
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4637479
NONE
06740110
Correspondence name and address
PATENT COUNSEL
SCHLUMBERGER LIMITED
205 INDUSTRIAL RD.
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:006146/0642   Pages: 5
Recorded: 06/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EDDISON, ALAN
Exec Dt:
05/22/1992
2
LEISING, LAWRENCE J.
Exec Dt:
05/21/1992
3
INGOLD, CHARLES
Exec Dt:
05/21/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION A TX CORP.
5000 GULF FREEWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5311952
NONE
07887503
Correspondence name and address
LETICIA V. SALAS
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:006510/0799   Pages: 3
Recorded: 05/14/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEISING, LAWRENCE J.
Exec Dt:
05/14/1993
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPT., 5051 S. 129TH E. AVE.
P.O. BOX 2710
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5417291
NONE
08062645
Correspondence name and address
STEPHEN. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
5051 S. 129TH EAST AVE.,
TULSA, OK 741340000
Assignment: 4
Reel/Frame:008294/0478   Pages: 4
Recorded: 03/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEISING, LAWRENCE J.
Exec Dt:
12/18/1995
Assignee
1
DOWELL
110 SCHLUMBERGER DR.
A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5660241
NONE
08575942
Correspondence name and address
PATENT COUNSEL
DOWELL, A DIVISION OF SCHLUMBERGER TECH.
CORP.
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 5
Reel/Frame:009412/0762   Pages: 4
Recorded: 07/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
07/22/1998
2
LEISING, LAWRENCE J.
Exec Dt:
07/20/1998
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6173771
NONE
09123968
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DOWELL DIVISION
110 SCHLUMBERGER DRIVE
MAIL DROP 1975
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:010460/0382   Pages: 3
Recorded: 12/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEISING, LAWRENCE J.
Exec Dt:
12/22/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6349768
NONE
09410153
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ROBIN C. NAVA
110 SCHLUMBERGER DRIVE
MD1
SUGAR LAND, TEXAS 77478
Assignment: 7
Reel/Frame:010997/0846   Pages: 4
Recorded: 07/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEEK, DALE E.
Exec Dt:
07/20/2000
2
LEISING, LAWRENCE J.
Exec Dt:
07/20/2000
3
ROWATT, JOHN D.
Exec Dt:
07/20/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6419014
NONE
09621277
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHRISTIAN
110 SCHLUMBERGER DRIVE
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 8
Reel/Frame:011698/0403   Pages: 6
Recorded: 04/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, SHUNFENG
Exec Dt:
02/26/2001
2
JEFFRYES, BENJAMIN P.
Exec Dt:
02/28/2001
3
THOMEER, HUBERTUS V.
Exec Dt:
02/26/2001
4
LEISING, LAWRENCE J.
Exec Dt:
02/26/2001
Assignee
1
SCHLUMBERG TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6571870
US20020121378
09797157
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM CURINGTON
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 9
Reel/Frame:011773/0430   Pages: 5
Recorded: 04/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLOWERS, JOSEPH K.
Exec Dt:
04/23/2001
2
SMITH, MICHAEL L.
Exec Dt:
04/23/2001
3
BECKEL, JEFFREY
Exec Dt:
04/24/2001
4
ADNAN, SARMAD
Exec Dt:
04/23/2001
5
LEISING, LAWRENCE J.
Exec Dt:
04/24/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6604582
US20030000707
09843634
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFREY
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 10
Reel/Frame:013341/0673   Pages: 5
Recorded: 09/25/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LAWRENCE J.
Exec Dt:
09/24/2002
2
RAMSEY, ROBERT M.
Exec Dt:
09/24/2002
3
MCGILL, HOWARD L.
Exec Dt:
09/23/2002
4
SMITH, PETER V.
Exec Dt:
09/24/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6889771
NONE
10254134
Correspondence name and address
SCHLUMBERGER CONVEYANCE AND DELIVERY
WAYNE KANAK
555 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:013460/0149   Pages: 4
Recorded: 10/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SMITH, PETER V.
Exec Dt:
10/18/2002
2
LEISING, LAWRENCE J.
Exec Dt:
10/16/2002
3
RAMSEY, ROBERT M.
Exec Dt:
10/16/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6808023
US20040079531
10281621
Correspondence name and address
SCHLUMBERGER CONVEYANCE AND DELIVERY
WAYNE KANAK
555 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Assignment: 12
Reel/Frame:014113/0650   Pages: 3
Recorded: 05/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LAWRENCE J.
Exec Dt:
05/21/2003
2
ALI, ATHAR M.
Exec Dt:
05/21/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6915845
US20030221830
10444818
Correspondence name and address
SCHLUMBERGER CONVEYANE AND DELIVERY
WAYNE KANAK
555 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 13
Reel/Frame:015675/0505   Pages: 7
Recorded: 02/11/2005
Attorney Dkt #:56.0772
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAMPINE, ROD W.
Exec Dt:
12/14/2004
2
LEISING, LAWRENCE J.
Exec Dt:
12/15/2004
3
POLSKY, YAROM
Exec Dt:
12/14/2004
4
THOMEER, HUBERTUS V.
Exec Dt:
12/16/2004
5
ADNAN, SARMAD
Exec Dt:
12/15/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7281588
US20050133228
11014598
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 14
Reel/Frame:016768/0022   Pages: 5
Recorded: 11/11/2005
Attorney Dkt #:250297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BONEY, CURTIS L.
Exec Dt:
10/20/2005
2
LEISING, LAWRENCE J.
Exec Dt:
10/20/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7461695
US20060219406
11216230
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 15
Reel/Frame:018851/0675   Pages: 5
Recorded: 02/05/2007
Attorney Dkt #:25.0422
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILL, STEPHEN D.
Exec Dt:
11/06/2006
2
LEISING, LAWRENCE J.
Exec Dt:
11/06/2006
3
ESPINOSA, FRANK
Exec Dt:
11/27/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7543648
US20080105437
11555841
Correspondence name and address
TIM CURINGTON
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 16
Reel/Frame:018830/0989   Pages: 6
Recorded: 01/31/2007
Attorney Dkt #:25.0371
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LAWRENCE J.
Exec Dt:
01/04/2007
2
RAMSEY, ROBERT MICHAEL
Exec Dt:
01/03/2007
3
MCGILL, HOWARD L.
Exec Dt:
01/04/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7497259
US20070175637
11610914
Correspondence name and address
TIM CURINGTON
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 17
Reel/Frame:019151/0084   Pages: 8
Recorded: 04/12/2007
Attorney Dkt #:56.0772CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAMPINE, ROD W.
Exec Dt:
02/15/2007
2
LEISING, LAWRENCE J.
Exec Dt:
03/09/2007
3
POLSKY, YAROM
Exec Dt:
02/19/2007
4
THOMEER, HUBERTUS V.
Exec Dt:
02/20/2007
5
ADNAN, SARMAD
Exec Dt:
02/15/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7810555
US20070175642
11673823
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 18
Reel/Frame:022014/0271   Pages: 6
Recorded: 12/22/2008
Attorney Dkt #:25.0509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUNC, GOKTURK
Exec Dt:
11/10/2008
2
XU, ZHENG RONG
Exec Dt:
12/01/2008
3
SCHORN, PATRICK
Exec Dt:
12/12/2008
4
LEISING, LAWRENCE J.
Exec Dt:
12/02/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7857067
US20090301734
12253474
Correspondence name and address
RODNEY WARFFORD
555 INDUSTRIAL BLVD., MD-5
SUGAR LAND, TX 77478
Assignment: 19
Reel/Frame:046171/0598   Pages: 8
Recorded: 06/22/2018
Attorney Dkt #:IS12.3158-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAJJARI, MOHAMMAD
Exec Dt:
06/08/2018
2
MARYA, MANUEL P.
Exec Dt:
04/13/2017
3
LEISING, LAWRENCE J.
Exec Dt:
06/21/2018
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233724
US20150369003
14653680
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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