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Patent Assignment Assignor Details
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Assignor Name : D'ANGELO, RALPH M.
Total Assignments: 11
Assignment: 1
Reel/Frame:006306/0231   Pages: 5
Recorded: 11/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
D'ANGELO, RALPH M.
Exec Dt:
10/20/1992
2
CHANG, HUNG-WEN
Exec Dt:
11/09/1992
3
HSU, KAI
Exec Dt:
11/09/1992
4
STANKE, FRED E.
Exec Dt:
11/11/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
277 PARK AVENUE
NEW YORK, NEW YORK 10172-0266
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5274604
NONE
07960524
Correspondence name and address
MARC D. FOODMAN, ESQ.
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:010380/0304   Pages: 3
Recorded: 11/05/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINKLER, KENNETH W.
Exec Dt:
11/05/1999
2
D'ANGELO, RALPH M.
Exec Dt:
11/05/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6678616
NONE
09434694
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 3
Reel/Frame:010625/0239   Pages: 3
Recorded: 02/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINKLER, KENNETH W.
Exec Dt:
02/16/2000
2
PLONA, THOMAS J.
Exec Dt:
02/23/2000
3
SINHA, BIKASH
Exec Dt:
02/16/2000
4
D'ANGELO, RALPH M.
Exec Dt:
02/16/2000
5
MCGOWAN, LAWRENCE
Exec Dt:
02/16/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6510389
NONE
09513602
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 4
Reel/Frame:012903/0931   Pages: 13
Recorded: 11/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HSU, CHAUR-JIAN
Exec Dt:
10/24/2001
2
PABON, JAHIR
Exec Dt:
10/17/2001
3
ARON, JEFFREY B.
Exec Dt:
10/16/2001
4
JOYCE, RICHARD D.
Exec Dt:
10/17/2001
5
GRIGOR, DARRYL
Exec Dt:
10/24/2001
6
D'ANGELO, RALPH M.
Exec Dt:
10/22/2001
7
CAMPANAC, PIERRE
Exec Dt:
10/24/2001
8
REID, LENNOX E., JR.
Exec Dt:
10/22/2001
9
STRAUB, H. CHARLES
Exec Dt:
10/16/2001
10
ESMERSOY, CENGIZ
Exec Dt:
11/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGARLAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6643221
NONE
09992761
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA
110 SCHLUMBERGER DRIVE
P.O. BOX 2175
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:012763/0660   Pages: 3
Recorded: 03/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
D'ANGELO, RALPH M.
Exec Dt:
03/28/2002
2
WINKLER, KENNETH W.
Exec Dt:
03/28/2002
3
JOHNSON, DAVID L.
Exec Dt:
03/28/2002
4
GUSTAVSON, GALE
Exec Dt:
03/28/2002
5
MULLINS, OLIVER C.
Exec Dt:
03/28/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7095676
US20030185100
10112008
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
36 OLD QUARRY ROAD
RIDGEFIELD CT 06877-4108
Assignment: 6
Reel/Frame:020382/0631   Pages: 7
Recorded: 01/18/2008
Attorney Dkt #:60.1574 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HSU, CHAUR-JIAN
Exec Dt:
11/13/2007
2
D'ANGELO, RALPH M.
Exec Dt:
11/28/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8321133
US20090105957
11877047
Correspondence name and address
JAMES MCALEENAN
ONE HAMPSHIRE STREET
SCHLUMBERGER-DOLL RESEARCH
CAMBRIDGE, MA 02139
Assignment: 7
Reel/Frame:023528/0822   Pages: 8
Recorded: 11/17/2009
Attorney Dkt #:56.1188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACKAY, BRUCE A.
Exec Dt:
10/07/2009
2
SULLIVAN, PHILIP F.
Exec Dt:
11/03/2009
3
DROGER, NICOLAS
Exec Dt:
10/22/2009
4
D'ANGELO, RALPH M.
Exec Dt:
10/08/2009
5
MILLER, DOUGLAS E.
Exec Dt:
10/27/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8215393
US20110079389
12574390
Correspondence name and address
MICHAEL L. FLYNN
555 INDUSTRIAL BLVD
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:026184/0355   Pages: 6
Recorded: 04/26/2011
Attorney Dkt #:IS10.0838
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
D'ANGELO, RALPH M.
Exec Dt:
04/25/2011
2
WILLIAMS, HARVEY
Exec Dt:
03/31/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9328606
US20120176862
12985922
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE RD., BLDG. 14
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 9
Reel/Frame:031556/0283   Pages: 6
Recorded: 11/06/2013
Attorney Dkt #:IS10.0810-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
D'ANGELO, RALPH M.
Exec Dt:
06/17/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9260958
US20140177388
13723143
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 10
Reel/Frame:032405/0252   Pages: 8
Recorded: 03/11/2014
Attorney Dkt #:IS12.3466-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRIOUL, ROMAIN C. A.
Exec Dt:
02/14/2014
2
JOHNSON, DAVID L.
Exec Dt:
02/21/2013
3
D'ANGELO, RALPH M.
Exec Dt:
02/14/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9625599
US20150168580
14108649
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 11
Reel/Frame:038924/0912   Pages: 9
Recorded: 06/16/2016
Attorney Dkt #:IS15.0640-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
D'ANGELO, RALPH M.
Exec Dt:
05/31/2016
2
WINKLER, KENNETH W.
Exec Dt:
06/14/2016
3
KLIEBER, CHRISTOPH
Exec Dt:
05/23/2016
4
LEMARENKO, MIKHAIL
Exec Dt:
05/18/2016
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10126454
US20170192117
14983701
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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