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Patent Assignment Assignor Details
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Assignor Name : CHELLAPPA, SUDARSANAM
Total Assignments: 12
Assignment: 1
Reel/Frame:016343/0931   Pages: 4
Recorded: 08/19/2004
Attorney Dkt #:1030-24000 GLM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YONG, ZHOU
Exec Dt:
08/12/2004
2
CHELLAPPA, SUDARSANAM
Exec Dt:
08/12/2004
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7461708
US20060032673
10918993
Correspondence name and address
GREGORY L. MAAG
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TEXAS 77253-3267
Assignment: 2
Reel/Frame:015417/0356   Pages: 4
Recorded: 12/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHELLAPPA, SUDARSANAM
Exec Dt:
09/27/2004
2
YONG, ZHOU
Exec Dt:
09/23/2004
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060065445
10951383
Correspondence name and address
DEREK V. FORINASH
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 3
Reel/Frame:018452/0036   Pages: 4
Recorded: 10/30/2006
Attorney Dkt #:1030-36000 TJF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHELLAPPA, SUDARSANAM
Exec Dt:
10/30/2006
2
YONG, ZHOU
Exec Dt:
10/30/2006
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8020638
US20080099244
11554141
Correspondence name and address
GREGORY L. MAAG
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 4
Reel/Frame:025351/0074   Pages: 3
Recorded: 11/11/2010
Attorney Dkt #:05516/437002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAYLOR, JAMES E., III
Exec Dt:
10/26/2010
2
CHELLAPPA, SUDARSANAM
Exec Dt:
10/26/2010
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN RD.
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8607861
US20110095485
12910505
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 5
Reel/Frame:026016/0608   Pages: 4
Recorded: 03/24/2011
Attorney Dkt #:05516/488002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, YANMEI
Exec Dt:
03/22/2011
2
LOCKSTEDT, ALAN W.
Exec Dt:
03/22/2011
3
CHELLAPPA, SUDARSANAM
Exec Dt:
03/22/2011
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8596345
US20120118559
13070752
Correspondence name and address
JEFFREY S BERGMAN
909 FANNIN STREET, SUITE 3500
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:033259/0705   Pages: 8
Recorded: 07/08/2014
Attorney Dkt #:IS13.3219-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAO, RUI
Exec Dt:
07/08/2014
2
CHELLAPPA, SUDARSANAM
Exec Dt:
07/08/2014
3
LARSEN, JAMES LAYNE
Exec Dt:
07/01/2014
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9926746
US20140374163
14306302
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:037243/0281   Pages: 20
Recorded: 12/09/2015
Attorney Dkt #:IS12.3393-US-PCT SIGNING
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HU, JIANBING
Exec Dt:
07/07/2014
2
LARSEN, JAMES LAYNE
Exec Dt:
08/07/2014
3
RAY, TOMMY G.
Exec Dt:
07/21/2014
4
TERRACINA, DWAYNE P.
Exec Dt:
07/21/2014
5
GAO, RUI
Exec Dt:
07/07/2014
6
WANG, WEIXIONG
Exec Dt:
07/21/2014
7
ZHANG, MING
Exec Dt:
07/07/2014
8
SU, ZHENBI
Exec Dt:
07/07/2014
9
YANG, BAOZHONG
Exec Dt:
07/07/2014
10
XU, SIQI
Exec Dt:
07/09/2014
11
CHELLAPPA, SUDARSANAM
Exec Dt:
07/21/2014
12
SAHETA, VISHAL
Exec Dt:
08/01/2014
13
UTTER, ROBERT
Exec Dt:
08/15/2014
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160032710
14777078
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:037256/0380   Pages: 22
Recorded: 12/10/2015
Attorney Dkt #:IS12.3393-US-PCT CRCTIVE
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE FOR INVENTOR VISHAL SAHETA PREVIOUSLY RECORDED ON REEL 037243 FRAME 0281. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
HU, JIANBING
Exec Dt:
07/07/2014
2
LARSEN, JAMES LAYNE
Exec Dt:
08/07/2014
3
RAY, TOMMY G.
Exec Dt:
07/21/2014
4
TERRACINA, DWAYNE P.
Exec Dt:
07/21/2014
5
GAO, RUI
Exec Dt:
07/07/2014
6
WANG, WEIXIONG
Exec Dt:
07/21/2014
7
ZHANG, MING
Exec Dt:
07/07/2014
8
SU, ZHENBI
Exec Dt:
07/07/2014
9
YANG, BAOZHONG
Exec Dt:
07/07/2014
10
XU, SIQI
Exec Dt:
07/09/2014
11
CHELLAPPA, SUDARSANAM
Exec Dt:
07/21/2014
12
SAHETA, VISHAL
Exec Dt:
08/15/2014
13
UTTER, ROBERT
Exec Dt:
08/15/2014
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160032710
14777078
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 9
Reel/Frame:049618/0040   Pages: 11
Recorded: 06/28/2019
Attorney Dkt #:IS16.0908-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SU, ZHENBI
Exec Dt:
02/27/2019
2
PALANI, VIJAYAKUMAR
Exec Dt:
06/26/2019
3
CHELLAPPA, SUDARSANAM
Exec Dt:
06/26/2019
4
HU, JIANBING
Exec Dt:
06/27/2019
5
GLASS, CHRISTOPHER
Exec Dt:
03/01/2019
6
BURDETT, TIMOTHY ANDREW
Exec Dt:
03/01/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10648266
US20180094496
15719672
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 10
Reel/Frame:062819/0577   Pages: 9
Recorded: 02/28/2023
Attorney Dkt #:IS20.1946-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, HUIMIN
Exec Dt:
09/02/2021
2
ZHANG, YOUHE
Exec Dt:
09/02/2021
3
CHELLAPPA, SUDARSANAM
Exec Dt:
10/19/2021
4
REN, TING
Exec Dt:
09/02/2021
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240011358
18043143
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 11
Reel/Frame:060973/0391   Pages: 10
Recorded: 09/02/2022
Attorney Dkt #:IS19.0914-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, YOUHE
Exec Dt:
09/01/2022
2
CAI, MINGDONG
Exec Dt:
08/18/2022
3
CHELLAPPA, SUDARSANAM
Exec Dt:
08/18/2022
4
SONG, HUIMIN
Exec Dt:
08/18/2022
5
REN, TING
Exec Dt:
09/01/2022
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210222497
17151306
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:064357/0846   Pages: 15
Recorded: 07/24/2023
Attorney Dkt #:IS20.2060-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, YOUHE
Exec Dt:
08/18/2022
2
SONG, HUIMIN
Exec Dt:
08/18/2022
3
SHEN, YUELIN
Exec Dt:
07/28/2022
4
GAN, XIAOGE
Exec Dt:
08/10/2022
5
BURHAN, YURI
Exec Dt:
08/18/2022
6
CHELLAPPA, SUDARSANAM
Exec Dt:
08/18/2022
7
MCDONOUGH, SCOTT D.
Exec Dt:
05/24/2023
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240026740
18356513
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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