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Patent Assignment Assignor Details
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Assignor Name : POELKER, DAVID J.
Total Assignments: 13
Assignment: 1
Reel/Frame:005202/0564   Pages: 3
Recorded: 12/19/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BURIKS, RUDOLF S.
Exec Dt:
12/19/1989
2
FAUKE, ALLEN R.
Exec Dt:
12/19/1989
3
POELKER, DAVID J.
Exec Dt:
12/19/1989
Assignee
1
PETROLITE CORPORATION, A DE. CORP.
100 NORTH BROADWAY,
ST. LOUIS, MISSOURI 63102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5098605
NONE
07452864
Correspondence name and address
PETROLITE CORPORATION
369 MARSHALL AVENUE
ST. LOUIS, MISSOURI 63119
Assignment: 2
Reel/Frame:007002/0133   Pages: 5
Recorded: 05/16/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCARTHY, KEVIN J.
Exec Dt:
05/05/1994
2
BURKHARDT, CHARLES W.
Exec Dt:
05/05/1994
3
HOLMES, STEVEN P.
Exec Dt:
05/05/1994
4
POELKER, DAVID J.
Exec Dt:
05/05/1994
Assignee
1
PETROLITE CORPORATION
369 MARSHALL AVENUE
ST. LOUIS, MISSOURI 63119-1897
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5538723
NONE
08205057
Correspondence name and address
KENNETH SOLOMON
PETROLITE CORPORATION
PATENT DEPT.
369 MARSHALL AVENUE
ST. LOUIS, MO 63119-1897
Assignment: 3
Reel/Frame:008440/0846   Pages: 5
Recorded: 04/07/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
11/21/1996
2
BAKER, TIMOTHY J.
Exec Dt:
11/07/1996
3
GERMMER, JEFFREY W.
Exec Dt:
11/21/1996
Assignee
1
PETROLITE CORPORATION
369 MARSHALL AVENUE
ST. LOUIS, MISSOURI 63119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5858927
NONE
08705461
Correspondence name and address
PETROLITE CORPORATION
KENNETH SOLOMON
369 MARSHALL AVENUE
ST. LOUIS, MI 63119-1897
Assignment: 4
Reel/Frame:010273/0493   Pages: 4
Recorded: 09/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALKER, MICHAEL L.
Exec Dt:
07/15/1999
2
POELKER, DAVID J.
Exec Dt:
07/15/1999
3
MARTIN, RICH LLOYD
Exec Dt:
07/20/1999
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6558619
NONE
09370414
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
PATRICIA A. MEIER
2603 AUGUSTA DRIVE
SUITE 700
HOUSTON, TX 77057-5640
Assignment: 5
Reel/Frame:012498/0862   Pages: 4
Recorded: 11/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POELKER, DAVID J.
Exec Dt:
11/05/2001
2
MCMAHON, JOANN
Exec Dt:
10/29/2001
3
HARKEY, DEE
Exec Dt:
11/07/2001
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6855672
US20030104948
10045221
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
GENE L. TYLER
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 6
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: 7
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: 8
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: 9
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: 10
Reel/Frame:024634/0166   Pages: 6
Recorded: 07/02/2010
Attorney Dkt #:IND4-48973-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BABIC-SAMARDZIJA, KSENIJA
Exec Dt:
06/15/2010
2
KREMER, LAWRENCE N.
Exec Dt:
06/14/2010
3
POELKER, DAVID J.
Exec Dt:
06/14/2010
4
JOVANCICEVIC, VLADIMIR
Exec Dt:
06/16/2010
5
RAMACHANDRAN, SUNDER
Exec Dt:
06/21/2010
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765020
US20100301275
12781098
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 11
Reel/Frame:026990/0479   Pages: 3
Recorded: 09/29/2011
Attorney Dkt #:AQA4-51647-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
POELKER, DAVID J.
Exec Dt:
08/24/2011
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9340725
US20130046048
13213936
Correspondence name and address
NATALIE A. LEE
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 12
Reel/Frame:046134/0080   Pages: 7
Recorded: 06/19/2018
Attorney Dkt #:OIL4-62522-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODGERS, PATRICK JAMES
Exec Dt:
03/23/2018
2
LUNDY, BRIAN
Exec Dt:
04/11/2018
3
RAMACHANDRAN, SUNDER
Exec Dt:
03/26/2018
4
POELKER, DAVID J.
Exec Dt:
03/23/2018
5
OTT, JAMES D.
Exec Dt:
03/22/2018
Assignee
1
BAKER HUGHES, A GE COMPANY, LLC
17021 ALDINE WESTFIELD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11021642
US20180282606
15927860
Correspondence name and address
PANKTI PATEL
PO BOX 421239
HOUSTON, TX 77242
Assignment: 13
Reel/Frame:059074/0755   Pages: 7
Recorded: 02/23/2022
Attorney Dkt #:OIL4-62522-US-13
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODGERS, PATRICK JAMES
Exec Dt:
03/23/2018
2
LUNDY, BRIAN
Exec Dt:
04/11/2018
3
RAMACHANDRAN, SUNDER
Exec Dt:
03/26/2018
4
POELKER, DAVID J.
Exec Dt:
03/23/2018
5
OTT, JAMES D.
Exec Dt:
03/22/2018
Assignee
1
BAKER HUGHES, A GE COMPANY, LLC
17021 ALDINE WESTFIELD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11359126
US20210246354
17244028
Correspondence name and address
MOSSMAN, KUMAR & TYLER, P.C.
PO BOX 421239
SUITE 375N
HOUSTON, TX 77242

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