skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : YAO, XIAN
Total Assignments: 14
Assignment: 1
Reel/Frame:006390/0257   Pages: 2
Recorded: 01/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAI, GHANSHYAM
Exec Dt:
11/23/1992
2
YAO, XIAN
Exec Dt:
11/23/1992
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY ST.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5271749
NONE
07970822
Correspondence name and address
RICHARD D. SEIBEL
CHRISTIE, PARKER & HALE
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 2
Reel/Frame:006420/0014   Pages: 2
Recorded: 02/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAO, XIAN
Exec Dt:
01/20/1993
2
RAI, GHANSHYAM
Exec Dt:
01/20/1993
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5326380
NONE
07966698
Correspondence name and address
RICHARD D. SEIBEL
CHRISTIE, PARKER & HALE
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 3
Reel/Frame:007544/0664   Pages: 3
Recorded: 07/17/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAO, XIAN
Exec Dt:
05/24/1995
2
COLLIER, MATTHEW W.
Exec Dt:
05/24/1995
3
KESHAVAN, MADAPUSI K.
Exec Dt:
05/23/1995
4
RAI, GHANSHYAM
Exec Dt:
05/23/1995
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5639285
NONE
08440773
Correspondence name and address
RICHARD D. SEIBEL
CHRISTIE, PARKER & HALE
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 4
Reel/Frame:010131/0328   Pages: 4
Recorded: 07/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLLIER, MATTHEW W.
Exec Dt:
07/22/1999
2
YAO, XIAN
Exec Dt:
07/22/1999
3
BOWERS, BRIAN G.
Exec Dt:
07/22/1999
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6140262
NONE
09361846
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 5
Reel/Frame:011284/0304   Pages: 4
Recorded: 11/07/2000
Conveyance: CORRECTIVE DOCUMENT OF ASSIGNMENT RECORDED AT REEL/FRAME 010131/0328
Assignors
1
COLLIER, MATTHEW W.
Exec Dt:
07/22/1999
2
YAO, XIAN
Exec Dt:
07/22/1999
3
BOWERS, BRIAN G.
Exec Dt:
07/22/1999
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6140262
NONE
09361846
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 6
Reel/Frame:010637/0949   Pages: 4
Recorded: 02/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLLIER, MATTHEW W.
Exec Dt:
02/25/2000
2
YAO, XIAN
Exec Dt:
02/25/2000
3
BOWERS, BRIAN G.
Exec Dt:
02/25/2000
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6331497
NONE
09514476
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 7
Reel/Frame:014792/0695   Pages: 4
Recorded: 12/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAO, XIAN
Exec Dt:
12/01/2003
2
DENBOER, DAVID
Exec Dt:
12/02/2003
3
HORMAN, SCOTT
Exec Dt:
12/01/2003
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7368079
US20050123430
10731710
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 8
Reel/Frame:016546/0628   Pages: 3
Recorded: 07/19/2005
Attorney Dkt #:54343/CM/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YAO, XIAN
Exec Dt:
07/13/2005
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050249978
11097476
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
ATTENTION: CONSTANTINE MARANTIDIS
Assignment: 9
Reel/Frame:024618/0333   Pages: 3
Recorded: 06/30/2010
Attorney Dkt #:65809/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YAO, XIAN
Exec Dt:
07/15/2005
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8074865
US20100288817
12823589
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 10
Reel/Frame:020124/0115   Pages: 5
Recorded: 11/15/2007
Attorney Dkt #:05516/306002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAN, GUODONG
Exec Dt:
10/18/2007
2
ZHANG, YOUHE
Exec Dt:
10/18/2007
3
YU, FENG
Exec Dt:
10/23/2007
4
YAO, XIAN
Exec Dt:
10/22/2007
5
BELNAP, J. DANIEL
Exec Dt:
10/18/2007
6
SHEN, YUELIN
Exec Dt:
10/26/2007
7
KESHAVAN, MADAPUSI K.
Exec Dt:
10/18/2007
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8875813
US20080073127
11859562
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY STREET SUITE 2800
HOUSTON, TX 77010
Assignment: 11
Reel/Frame:026875/0130   Pages: 4
Recorded: 09/08/2011
Attorney Dkt #:68244/M277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAO, YAHUA
Exec Dt:
09/07/2011
2
HORMAN, SCOTT
Exec Dt:
09/07/2011
3
YAO, XIAN
Exec Dt:
09/07/2011
4
LIU, QINGYUAN
Exec Dt:
09/07/2011
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9028575
US20120055099
13228240
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
PO BOX 7068
PASADENA, CA 91109-7068
Assignment: 12
Reel/Frame:028895/0741   Pages: 4
Recorded: 09/04/2012
Attorney Dkt #:68786/M277 - CM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAO, YAHUA
Exec Dt:
01/06/2012
2
YAO, XIAN
Exec Dt:
01/09/2012
3
HORMAN, SCOTT
Exec Dt:
01/06/2012
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9670100
US20120131856
13306913
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 29001
GLENDALE, CA 91209
Assignment: 13
Reel/Frame:037721/0001   Pages: 4
Recorded: 02/12/2016
Attorney Dkt #:IS12.3447-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAO, XIAN
Exec Dt:
10/28/2015
2
BELNAP, JOHN DANIEL
Exec Dt:
11/11/2015
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150291479
14683477
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 14
Reel/Frame:059813/0654   Pages: 16
Recorded: 05/04/2022
Attorney Dkt #:IS20.1869-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAHAJAN, MANOJ
Exec Dt:
05/04/2022
2
BELNAP, JOHN DANIEL
Exec Dt:
03/31/2022
3
GAN, XIAOGE
Exec Dt:
04/27/2022
4
FANG, YI
Exec Dt:
03/29/2022
5
PENG, CHENG
Exec Dt:
03/29/2022
6
BELNAP, LYNN
Exec Dt:
03/30/2022
7
ZHANG, YOUHE
Exec Dt:
03/29/2022
8
AZAR, MICHAEL GEORGE
Exec Dt:
04/20/2022
9
KARUPPIAH, VENKATESH
Exec Dt:
03/03/2021
10
LEBARON, ANTHONY
Exec Dt:
04/11/2022
11
YAO, XIAN
Exec Dt:
04/08/2022
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11578538
US20210215003
17248105
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

Search Results as of: 06/04/2024 12:26 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT