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Patent Assignment Assignor Details
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Assignor Name : SCHIELD, JOHN A.
Total Assignments: 24
Assignment: 1
Reel/Frame:003991/0738   Pages: 2
Recorded: 03/11/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
03/05/1982
2
SCHIELD, JOHN A.
Exec Dt:
03/05/1982
Assignee
1
PETROLITE CORPORATION
100 NORTH BROADWAY
A CORP. OF DE
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4471098
NONE
06356994
Correspondence name and address
SIDNEY B. RING
PETROLITE CORP., 369 MARSHALL AVE.
ST. LOUIS, MO 63119
Assignment: 2
Reel/Frame:004281/0481   Pages: 2
Recorded: 07/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
06/27/1984
2
SCHIELD, JOHN A.
Exec Dt:
06/27/1984
Assignee
1
PETROLITE CORPORATION
100 NORTH BROADWAY
A CORP OF DE
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4536551
NONE
06626829
Correspondence name and address
SIDNEY B. RING
369 MARSHALL AVE.
ST. LOUIS, MO 63119
Assignment: 3
Reel/Frame:004281/0483   Pages: 2
Recorded: 07/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
06/27/1984
2
SCHIELD, JOHN A.
Exec Dt:
06/27/1984
Assignee
1
PETROLITE CORPORATION
100 NORTH BROADWAY
A CORP OF DE
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4541839
NONE
06626830
Correspondence name and address
SIDNEY B. RING
369 MARSHALL AVE.
ST. LOUIS, MO 63119
Assignment: 4
Reel/Frame:004281/0485   Pages: 2
Recorded: 07/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
06/27/1984
2
SCHIELD, JOHN A.
Exec Dt:
06/27/1984
Assignee
1
PETROLITE CORPORATION
100 NORTH BROADWAY
A CORP OF DE
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4536191
NONE
06626831
Correspondence name and address
SIDNEY B. RING
369 MARSHAL AVE.
ST. LOUIS, MO 63119
Assignment: 5
Reel/Frame:004606/0193   Pages: 2
Recorded: 08/06/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
07/24/1986
2
SCHIELD, JOHN A.
Exec Dt:
07/24/1986
3
CUNNINGHAM, LAWRENCE J.
Exec Dt:
07/24/1986
Assignee
1
PETROLITE CORPORATION, 100 NORTH BROADWAY, ST. LOUIS, MO 63102 A CORP OF DE
MISSOURI
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4708993
NONE
06893850
Correspondence name and address
CHARLES E. SMITH
PETROLITE CORP.
369 MARSHALL AVE.
ST. LOUIS, MO 63119
Assignment: 6
Reel/Frame:004594/0610   Pages: 2
Recorded: 08/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAIMAN, MICHAEL I.
Exec Dt:
08/21/1986
2
SCHIELD, JOHN A.
Exec Dt:
08/21/1986
Assignee
1
PETROLITE CORPORATION, A CORP OF DE.
100 NORTH BROADWAY
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4757862
NONE
06899187
Correspondence name and address
CHARLES E. SMITH
PETROLITE CORP.
369 MARSHALL AVE.
ST. LOUIS, MO 63119
Assignment: 7
Reel/Frame:005325/0697   Pages: 4
Recorded: 05/25/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
05/25/1990
2
NAIMAN, MICHAEL I.
Exec Dt:
05/25/1990
3
SCHERUBEL, GARY A.
Exec Dt:
05/25/1990
Assignee
1
PETROLITE CORPORATION, A CORP OF DE
100 NORTH BROADWAY
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5160642
NONE
07529026
Correspondence name and address
PETROLITE CORP.,
369 MARSHALL AVE.,
ST. LOUIS, MO 63119
Assignment: 8
Reel/Frame:008083/0341   Pages: 3
Recorded: 07/01/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
06/28/1996
2
SCHIELD, JOHN A.
Exec Dt:
06/28/1996
Assignee
1
PETROLITE CORPORATION
369 MARSHALL AVENUE
ST LOUIS, MISSOURI 63119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5672183
NONE
08674076
Correspondence name and address
PETROLITE CORPORATION
KENNETH SOLOMON
PATENT DEPARTMENT
369 MARSHALL AVENUE
ST. LOUIS, MO 63119-1897
Assignment: 9
Reel/Frame:008083/0341   Pages: 3
Recorded: 07/01/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
06/28/1996
2
SCHIELD, JOHN A.
Exec Dt:
06/28/1996
Assignee
1
PETROLITE CORPORATION
369 MARSHALL AVENUE
ST LOUIS, MISSOURI 63119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5672183
NONE
08674076
Correspondence name and address
PETROLITE CORPORATION
KENNETH SOLOMON
PATENT DEPARTMENT
369 MARSHALL AVENUE
ST. LOUIS, MO 63119-1897
Assignment: 10
Reel/Frame:008807/0714   Pages: 4
Recorded: 09/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHIELD, JOHN A.
Exec Dt:
09/11/1997
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5857287
NONE
08928289
Correspondence name and address
KENNETH SOLOMON
7733 FORSYTH BOULEVARD, SUITE 1400
ST. LOUIS, MO 63105
Assignment: 11
Reel/Frame:011747/0005   Pages: 3
Recorded: 04/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHIELD, JOHN A.
Exec Dt:
04/16/2001
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6391070
US20010048099
09836071
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
DAVID L. MOSSMAN
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5638
Assignment: 12
Reel/Frame:012255/0360   Pages: 6
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
10/04/2001
2
CAPPEL, WELDON J.
Exec Dt:
10/04/2001
3
WEERS, JERRY J.
Exec Dt:
10/04/2001
4
ROOF, GLENN L.
Exec Dt:
10/08/2001
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6656445
US20020068034
09975438
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
DAVID L. MOSSMAN
2603 AUGUSTA
STE 700
HOUSTON, TX 77057-5638
Assignment: 13
Reel/Frame:015634/0463   Pages: 4
Recorded: 01/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
10/04/2001
2
CAPPEL, WELDON J.
Exec Dt:
10/04/2001
3
WEERS, JERRY J.
Exec Dt:
10/04/2001
4
ROOF, GLENN L.
Exec Dt:
10/08/2001
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6887447
US20040086443
10688243
Correspondence name and address
DAVID L. MOSSMAN
2603 AUGUSTA, SUITE 700
HOUTON, TX 77057
Assignment: 14
Reel/Frame:016086/0039   Pages: 3
Recorded: 12/13/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
12/06/2004
2
MCMAHON, JOANN
Exec Dt:
12/06/2004
3
SCHIELD, JOHN A.
Exec Dt:
12/08/2004
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
STE 1200
HOUSTON, TEXAS 77027-5133
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7284610
US20050126782
11010759
Correspondence name and address
MADAN, MOSSMAN & SRIRAM P.C.
DAVID L. MOSSMAN
2603 AUGUSTA
HOUSTON, TX 77057-5662
Assignment: 15
Reel/Frame:018113/0944   Pages: 4
Recorded: 07/18/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
07/06/2006
2
MCMAHON, JOANN
Exec Dt:
07/06/2006
3
SCHIELD, JOHN A.
Exec Dt:
07/06/2006
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7328745
US20060254772
11488325
Correspondence name and address
MR. DAVID L. MOSSMAN
SUITE 700
MADAN MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA
HOUSTON, TX 77057-5662
Assignment: 16
Reel/Frame:020321/0430   Pages: 5
Recorded: 01/04/2008
Attorney Dkt #:194-36761-USD2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
07/17/2006
2
MCMAHON, JOANN
Exec Dt:
07/17/2006
3
SCHIELD, JOHN A.
Exec Dt:
07/17/2006
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7838468
US20080132711
11969681
Correspondence name and address
DAVID L. MOSSMAN
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 17
Reel/Frame:019653/0143   Pages: 3
Recorded: 08/06/2007
Attorney Dkt #:194-37438-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
07/31/2007
2
CAPPEL, WELDON JOHN
Exec Dt:
07/30/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7718586
US20070142244
10588341
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 18
Reel/Frame:019771/0794   Pages: 6
Recorded: 08/30/2007
Attorney Dkt #:194-45042-US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SERIAL NUMBER PREVIOUSLY RECORDED ON REEL 019763 FRAME 0410. ASSIGNOR(S) HEREBY CONFIRMS THE INVENTORS TO BAKER HUGHES INCORPORATED (COPY OF ASSIGNMENT ALSO ATTACHED).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
07/31/2007
2
BIGGERSTAFF, PAUL J.
Exec Dt:
07/31/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7867295
US20090056203
11847141
Correspondence name and address
DAVID L. MOSSMAN
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 19
Reel/Frame:020055/0814   Pages: 5
Recorded: 11/01/2007
Attorney Dkt #:194-36761-USD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
10/17/2007
2
MCMAHON, JOANN
Exec Dt:
10/16/2007
3
SCHIELD, JOHN A.
Exec Dt:
10/16/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7601675
US20080108523
11872828
Correspondence name and address
DAVID L. MOSSMAN
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 20
Reel/Frame:021112/0451   Pages: 5
Recorded: 06/18/2008
Attorney Dkt #:194-46309-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'BRIEN, TIMOTHY J.
Exec Dt:
06/18/2008
2
MORGAN, WAYNN C.
Exec Dt:
06/18/2008
3
SCHIELD, JOHN A.
Exec Dt:
06/18/2008
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9127226
US20090300975
12134942
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5662
Assignment: 21
Reel/Frame:021677/0343   Pages: 6
Recorded: 10/14/2008
Attorney Dkt #:194-45651-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, JIANZHONG
Exec Dt:
10/10/2008
2
SALMA, TAUSEEF
Exec Dt:
10/10/2008
3
SCHIELD, JOHN A.
Exec Dt:
10/13/2008
4
WEERS, JERRY J.
Exec Dt:
10/10/2008
5
STARK, JOSEPH L.
Exec Dt:
10/10/2008
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8366914
US20090095658
12250679
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5662
Assignment: 22
Reel/Frame:028799/0884   Pages: 6
Recorded: 08/16/2012
Attorney Dkt #:IND4-52319-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STARK, JOSEPH L.
Exec Dt:
06/22/2012
2
STEELE, ROBERT A.
Exec Dt:
08/14/2012
3
BABIC-SAMARDZIJA, KSENIJA
Exec Dt:
06/20/2012
4
SCHIELD, JOHN A.
Exec Dt:
06/21/2012
5
CAPPEL, WELDON J.
Exec Dt:
06/21/2012
6
BARNES, MATTHEW T.
Exec Dt:
06/22/2012
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9394396
US20120329930
13527105
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 23
Reel/Frame:030375/0356   Pages: 6
Recorded: 05/08/2013
Attorney Dkt #:IND4-52946-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORGAN, BEN
Exec Dt:
03/21/2013
2
SCHIELD, JOHN A.
Exec Dt:
03/15/2013
3
BIGGERSTAFF, PAUL J.
Exec Dt:
03/20/2013
4
PHAN, KIMCHI T.
Exec Dt:
05/06/2013
5
WARD, JOHN BRADFORD
Exec Dt:
03/26/2013
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130239465
13786674
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 24
Reel/Frame:032578/0205   Pages: 7
Recorded: 04/02/2014
Attorney Dkt #:IND4-54927-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SANDU, CORINA L.
Exec Dt:
03/03/2014
2
BAO, YUN
Exec Dt:
03/03/2014
3
WEERS, JERRY J.
Exec Dt:
03/04/2014
4
POLAND, ROSS
Exec Dt:
03/10/2014
5
LEUNG, PHILIP L.
Exec Dt:
03/10/2014
6
ZHANG, LEI
Exec Dt:
03/03/2014
7
SCHIELD, JOHN A.
Exec Dt:
03/04/2014
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9719027
US20140231311
14183109
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242

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