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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 : GUO, PINGJUN
Total Assignments: 12
Assignment: 1
Reel/Frame:014265/0516   Pages: 5
Recorded: 07/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KURKOSKI, PHILIP L.
Exec Dt:
07/07/2003
2
KRUEGER, VOLKER
Exec Dt:
07/04/2003
3
HUISZOON, CORNELIS
Exec Dt:
07/03/2003
4
MOLZ, ERIC B.
Exec Dt:
07/03/2003
5
GUO, PINGJUN
Exec Dt:
07/03/2003
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040178337
10386344
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
KAUSHIK P. SRIRAM
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:015406/0190   Pages: 3
Recorded: 05/28/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GUO, PINGJUN
Exec Dt:
05/28/2004
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7282704
US20050263691
10856449
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
KAUSHIK P. SRIRAM
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:015688/0803   Pages: 4
Recorded: 08/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MADIGAN, WILLIAM
Exec Dt:
08/04/2004
2
PEMPER, RICHARD
Exec Dt:
08/02/2004
3
GUO, PINGJUN
Exec Dt:
08/10/2004
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7205535
US20060033022
10916921
Correspondence name and address
DAVID A. WALKER
MADAN MOSSMAN & SRIRAM, PC
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:016403/0978   Pages: 3
Recorded: 03/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GUO, PINGJUN
Exec Dt:
03/02/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7649169
US20060208184
11085902
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77O57
Assignment: 5
Reel/Frame:016476/0931   Pages: 3
Recorded: 04/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GUO, PINGJUN
Exec Dt:
04/04/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7254486
US20060229815
11104149
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
KAUSHIK P. SRIRAM
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 6
Reel/Frame:016821/0412   Pages: 4
Recorded: 07/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRCKA, DARRYL E.
Exec Dt:
07/19/2005
2
RILEY, STEVE
Exec Dt:
07/18/2005
3
GUO, PINGJUN
Exec Dt:
07/18/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7361887
US20070023624
11189455
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:016823/0589   Pages: 4
Recorded: 07/27/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRCKA, DARRYL E.
Exec Dt:
07/19/2005
2
RILEY, STEVE
Exec Dt:
07/18/2005
3
GUO, PINGJUN
Exec Dt:
07/18/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7365308
US20070023623
11189388
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
SUITE 700
HOUSTON, TEXAS 77057
Assignment: 8
Reel/Frame:016832/0062   Pages: 4
Recorded: 07/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRCKA, DARRYL E.
Exec Dt:
07/19/2005
2
GUO, PINGJUN
Exec Dt:
07/18/2005
3
RILEY, STEVE
Exec Dt:
07/18/2005
4
BAROLAK, JOSEPH GREGORY
Exec Dt:
07/26/2005
5
CHACE, DAVID M.
Exec Dt:
07/25/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7372018
US20070023625
11189514
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
SUITE 700
HOUSTON, TEXAS 77057
Assignment: 9
Reel/Frame:017094/0612   Pages: 4
Recorded: 10/11/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, PINGJUN
Exec Dt:
09/29/2005
2
HAHN, DETLEF
Exec Dt:
09/29/2005
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070241275
11247684
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057
Assignment: 10
Reel/Frame:016930/0881   Pages: 3
Recorded: 10/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PEMPER, RICHARD R.
Exec Dt:
10/19/2005
2
GUO, PINGJUN
Exec Dt:
10/18/2005
Assignee
1
BAKER HUGHES INCORPORTED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7402797
US20060033023
11223352
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 11
Reel/Frame:018980/0458   Pages: 3
Recorded: 03/08/2007
Attorney Dkt #:414-42780-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, PINGJUN
Exec Dt:
02/05/2007
2
DEO, PADMAKAR
Exec Dt:
01/12/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7804060
US20070144740
11610608
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 12
Reel/Frame:019894/0066   Pages: 4
Recorded: 09/28/2007
Attorney Dkt #:594-42268-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HASSAN, GAMAL A.
Exec Dt:
09/27/2007
2
KURKOSKI, PHILIP L.
Exec Dt:
09/26/2007
3
GUO, PINGJUN
Exec Dt:
09/26/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7548817
US20080078242
11863052
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77019-2118

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