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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : PARROTT, ROBERT A.
Total Assignments: 23
Assignment: 1
Reel/Frame:005180/0084   Pages: 2
Recorded: 08/09/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PARROTT, ROBERT A.
Exec Dt:
07/25/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5000 GULF FREEWAY (P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960171
NONE
07391807
Correspondence name and address
SCHLUMBERGER WELL SERVICES
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 2
Reel/Frame:006061/0626   Pages: 3
Recorded: 02/25/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PARROTT, ROBERT A.
Exec Dt:
02/11/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION A CORPORATION OF TEXAS
5000 GULF FREEWAY (P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5249461
NONE
07824979
Correspondence name and address
JOHN H. BOUCHARD
SCHLUMBERGER WELL SERVICES
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 3
Reel/Frame:006398/0498   Pages: 3
Recorded: 01/15/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PARROTT, ROBERT A.
Exec Dt:
01/12/1993
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5494634
NONE
08004002
Correspondence name and address
JOHN H. BOUCHARD
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
5000 GULF FREEWAY
HOUSTON, TX 77252-2175
Assignment: 4
Reel/Frame:006941/0688   Pages: 3
Recorded: 03/29/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PARROTT, ROBERT A.
Exec Dt:
03/24/1994
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5505134
NONE
08220071
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
ATTN: PATENT COUNSEL
P.O. BOX 2175, 5000 GULF FREEWAY
HOUSTON, TX 77252-2175
Assignment: 5
Reel/Frame:008956/0551   Pages: 4
Recorded: 02/02/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROVE, BRENDEN M.
Exec Dt:
02/02/1998
2
LANDS, JACK F., JR.
Exec Dt:
02/02/1998
3
PARROTT, ROBERT A.
Exec Dt:
02/02/1998
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6021714
NONE
09017605
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
SCHLUMBER PERFORATING AND TESTING CENTER
14910 AIRLINE ROAD, P.O. BOX 1590
ROSHARON, TX 77598
Assignment: 6
Reel/Frame:009741/0226   Pages: 7
Recorded: 01/29/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
01/21/1999
2
SONG, HAOSHI
Exec Dt:
01/22/1999
3
CHEN, KUO-CHIANG
Exec Dt:
01/25/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6336408
NONE
09240955
Correspondence name and address
TROP, PRUNER, HU & MILES, P.C.
DAN C. HU
8554 KATY FREEWAY, SUITE 100
HOUSTON, TX 77024
Assignment: 7
Reel/Frame:010818/0897   Pages: 4
Recorded: 05/31/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
05/17/2000
2
DENNEY, JANET S.
Exec Dt:
05/17/2000
3
LANDS, JACK F.
Exec Dt:
05/17/2000
4
FAYARD, ALFREDO
Exec Dt:
05/18/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6460463
NONE
09498244
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 8
Reel/Frame:011236/0355   Pages: 5
Recorded: 11/03/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEHRMANN, LAWRENCE A.
Exec Dt:
07/17/2000
2
CARDENAS, JORGE E. LOPEZ DE
Exec Dt:
07/19/2000
3
PARROTT, ROBERT A.
Exec Dt:
07/19/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6397947
NONE
09564840
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 9
Reel/Frame:011006/0305   Pages: 5
Recorded: 08/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, ZHENG RONG
Exec Dt:
08/04/2000
2
KOTHARI, MANISH
Exec Dt:
08/04/2000
3
PARROTT, ROBERT A.
Exec Dt:
08/04/2000
4
LI, HAOMING
Exec Dt:
08/04/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6422148
NONE
09633163
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
PO BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 10
Reel/Frame:011417/0448   Pages: 7
Recorded: 12/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, WENBO
Exec Dt:
11/27/2000
2
PARROTT, ROBERT A.
Exec Dt:
12/01/2000
3
BEHRMANN, LAWRENCE A.
Exec Dt:
12/04/2000
4
VORECK, WALLACE E.
Exec Dt:
12/13/2000
5
KNEISL, PHILIP
Exec Dt:
11/27/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020129940
09736521
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM W. CURINGTON
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 11
Reel/Frame:011701/0678   Pages: 5
Recorded: 03/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FAYARD, ALFREDO
Exec Dt:
03/02/2001
2
LI, HAOMING
Exec Dt:
02/28/2001
3
PARROTT, ROBERT A.
Exec Dt:
02/27/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6523449
US20020088338
09760515
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1593
Assignment: 12
Reel/Frame:012358/0390   Pages: 6
Recorded: 10/25/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
08/01/2001
2
LI, HAOMING
Exec Dt:
08/01/2001
3
VOVERS, ANTHONY P.
Exec Dt:
08/01/2001
4
HICKSON, CYNTHIA L.
Exec Dt:
08/01/2001
5
ANDERSON, HARRY B.
Exec Dt:
08/07/2001
6
CORBEN, JOHN M.
Exec Dt:
08/07/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6588508
US20020033264
09920430
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PO BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 13
Reel/Frame:013033/0359   Pages: 4
Recorded: 06/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
06/19/2002
2
MARKEL, DANIEL C.
Exec Dt:
06/19/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6702039
US20030029639
10108406
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 14
Reel/Frame:013187/0019   Pages: 12
Recorded: 08/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, WENBO
Exec Dt:
07/12/2002
2
FAYARD, ALFREDO
Exec Dt:
07/12/2002
3
PARROTT, ROBERT A.
Exec Dt:
07/15/2002
4
HUBER, KLAUS B.
Exec Dt:
07/24/2002
5
MEISENHELDER, JEFFREY P.
Exec Dt:
07/31/2002
6
EDWARDS, ARNOLD G.
Exec Dt:
08/06/2002
7
HENDERSON, STEVEN W.
Exec Dt:
08/05/2002
8
EDONE, JOSEPH B.
Exec Dt:
08/01/2002
9
RATANASIRIGULCHAI, WANCHAI
Exec Dt:
07/12/2002
10
GONZALEZ, MANUEL
Exec Dt:
07/31/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7000699
US20020185275
10133755
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 15
Reel/Frame:013696/0770   Pages: 8
Recorded: 01/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
10/28/2002
2
LLOYD, STEPHEN F.
Exec Dt:
10/29/2002
3
SCHOONDERBEEK, GERHARD
Exec Dt:
12/12/2002
4
KAPLAN, ATILLA
Exec Dt:
01/16/2003
5
PRAESIUS, HENRIK
Exec Dt:
01/16/2003
6
CHEN, KUO-CHIANG
Exec Dt:
01/16/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6817598
US20030089504
10280744
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
JEFFREY GRIFFIN
PO BOX 1590
ROSHARON, TX 77583-1590
Assignment: 16
Reel/Frame:013696/0375   Pages: 4
Recorded: 05/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
05/08/2003
2
MILLS, DAVE
Exec Dt:
05/07/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7114564
US20030188867
10435320
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
JEFFREY E. GRIFFIN
PO BOX 1590
ROSHARON, TX 77583-1590
Assignment: 17
Reel/Frame:014457/0202   Pages: 3
Recorded: 03/29/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PARROTT, ROBERT A.
Exec Dt:
02/18/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7213655
US20050155770
10708766
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 18
Reel/Frame:014460/0496   Pages: 6
Recorded: 03/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RATANASIRIGULCHIA, WANCHAI
Exec Dt:
03/01/2004
2
YANG, WENBO
Exec Dt:
03/01/2004
3
HICKSON, CYNTHIA L.
Exec Dt:
03/01/2004
4
PARROTT, ROBERT A.
Exec Dt:
03/01/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7159657
US20050211467
10708777
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 19
Reel/Frame:027432/0699   Pages: 13
Recorded: 12/22/2011
Attorney Dkt #:IS10.0903
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERTOJA, MICHAEL J.
Exec Dt:
10/06/2011
2
PARROTT, ROBERT A.
Exec Dt:
09/15/2011
3
LECERF, BRUNO
Exec Dt:
09/15/2011
4
TIMOSHENKO, VITALIY
Exec Dt:
10/07/2011
5
BALAKIN, SERGEY
Exec Dt:
09/15/2011
6
TARASOVA, ELENA
Exec Dt:
09/15/2011
7
RYTLEWSKI, GARY
Exec Dt:
10/03/2011
8
ANTHONY, BILLY
Exec Dt:
12/08/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9382790
US20120168163
13197450
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE RD. BLDG. 14
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 20
Reel/Frame:027175/0371   Pages: 11
Recorded: 11/04/2011
Attorney Dkt #:IS11.0264USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
10/24/2011
2
LECERF, BRUNO
Exec Dt:
08/25/2011
3
SOLOVYOV, SERGEY VLADIMIROVICH
Exec Dt:
08/29/2011
4
GUSEV, MIKHAIL PETROVICH
Exec Dt:
08/25/2011
5
PAVLOV, ILYA ANATOLIEVICH
Exec Dt:
08/25/2011
6
BAIHLY, JASON
Exec Dt:
09/02/2011
7
BERTOJA, MICHAEL
Exec Dt:
10/06/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8944171
US20130000926
13197005
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
10001 RICHMOND
IP - CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 21
Reel/Frame:027501/0806   Pages: 10
Recorded: 01/09/2012
Attorney Dkt #:IS11.0509-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAIHLY, JASON
Exec Dt:
12/12/2011
2
BERTOJA, MICHAEL J.
Exec Dt:
10/26/2011
3
PARROTT, ROBERT A.
Exec Dt:
10/24/2011
4
LECERF, BRUNO
Exec Dt:
10/11/2011
5
ALDRIDGE, DON
Exec Dt:
12/13/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9033041
US20130062063
13231729
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
10001 RICHMOND
IP - CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 22
Reel/Frame:031000/0674   Pages: 8
Recorded: 08/13/2013
Attorney Dkt #:IS110253USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARROTT, ROBERT A.
Exec Dt:
06/24/2013
2
BYNDYU, PAVEL
Exec Dt:
06/25/2013
3
BERTOJA, MICHAEL J.
Exec Dt:
07/10/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130340599
13917389
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 23
Reel/Frame:032009/0041   Pages: 10
Recorded: 01/21/2014
Attorney Dkt #:IS100774USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LECERF, BRUNO
Exec Dt:
10/01/2013
2
POTAPENKO, DMITRIY IVANOVICH
Exec Dt:
09/17/2013
3
TARASOVA, ELENA NIKOLAEVNA
Exec Dt:
09/19/2013
4
PARROTT, ROBERT A.
Exec Dt:
10/15/2013
5
BERTOJA, MICHAEL J.
Exec Dt:
10/15/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9546534
US20150047838
13968083
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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