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 : BARNER-KOWOLLIK, CHRISTOPHER
Total Assignments: 16
Assignment: 1
Reel/Frame:028594/0368   Pages: 4
Recorded: 07/20/2012
Attorney Dkt #:P001 00432
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLIMPEL, MICHAEL
Exec Dt:
03/16/2012
2
BRANDAU, SVEN
Exec Dt:
03/16/2012
3
WESTEPPE, UWE
Exec Dt:
03/21/2012
4
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/10/2012
5
KAISER, ANDREAS
Exec Dt:
03/16/2012
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9023914
US20120283351
13395950
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 2
Reel/Frame:028485/0191   Pages: 16
Recorded: 07/03/2012
Attorney Dkt #:400187US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILF, STEFAN
Exec Dt:
05/07/2012
2
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
04/18/2012
3
HENNIG, ANDRE
Exec Dt:
04/19/2012
4
KRAUSE, SIMON
Exec Dt:
04/19/2012
5
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/19/2012
6
INGLIS, ANDREW JOHN
Exec Dt:
04/27/2012
7
NEBHANI, LEENA
Exec Dt:
04/23/2012
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8987380
US20120289657
13519169
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:028797/0234   Pages: 18
Recorded: 08/16/2012
Attorney Dkt #:400189US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
05/02/2012
2
KRAUSE, SIMON
Exec Dt:
04/19/2012
3
HENNIG, ANDRE
Exec Dt:
04/26/2012
4
HILF, STEFAN
Exec Dt:
05/07/2012
5
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/21/2012
6
INGLIS, ANDREW JOHN
Exec Dt:
04/27/2012
7
NEBHANI, LEENA
Exec Dt:
04/23/2012
8
ALTINTAS, OZCAN
Exec Dt:
04/23/2012
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8916635
US20120309895
13577932
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:029950/0342   Pages: 10
Recorded: 03/08/2013
Attorney Dkt #:412161US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
01/07/2013
2
HILF, STEFAN
Exec Dt:
01/08/2013
3
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
12/23/2012
4
ZHOU, JIAWEN
Exec Dt:
12/23/2012
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8980999
US20130172480
13820621
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:031164/0525   Pages: 7
Recorded: 09/09/2013
Attorney Dkt #:420532US99
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
URBAN, DIETER
Exec Dt:
04/16/2013
2
LICHT, ULRIKE
Exec Dt:
04/17/2013
3
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/15/2013
4
DELAITTRE, GUILLAUME
Exec Dt:
04/18/2013
5
FRICK, ELENA
Exec Dt:
04/17/2013
Assignee
1
BASF SE
.
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9315445
US20140073810
14021040
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:031167/0488   Pages: 8
Recorded: 09/09/2013
Attorney Dkt #:420526US99
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
URBAN, DIETER
Exec Dt:
04/16/2013
2
LICHT, ULRIKE
Exec Dt:
04/17/2013
3
SMIT, THEO
Exec Dt:
04/17/2013
4
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/15/2013
5
DELAITTRE, GUILLAUME
Exec Dt:
04/18/2013
6
FRICK, ELENA
Exec Dt:
04/17/2013
Assignee
1
BASF SE
.
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034938
US20140073717
14021483
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:030902/0441   Pages: 8
Recorded: 07/30/2013
Attorney Dkt #:416249US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILF, STEFAN
Exec Dt:
04/30/2013
2
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
05/02/2013
3
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
05/08/2013
4
ZHOU, JIAWEN
Exec Dt:
05/18/2013
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8969467
US20130303678
13988147
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:031811/0669   Pages: 14
Recorded: 12/18/2013
Attorney Dkt #:425311US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
08/29/2013
2
HILF, STEFAN
Exec Dt:
12/08/2013
3
ZHOU, JIAWEN
Exec Dt:
08/10/2013
4
GUIMARD, NATHALIE
Exec Dt:
08/13/2013
5
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
08/23/2013
6
OEHLENSCHLAEGER, KIM KLAUS
Exec Dt:
08/26/2013
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8981010
US20140121327
14127380
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:032043/0628   Pages: 16
Recorded: 01/24/2014
Attorney Dkt #:426457US99X PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
11/11/2013
2
HILF, STEFAN
Exec Dt:
11/08/2013
3
SPYROU, EMMANOUIL
Exec Dt:
11/18/2013
4
ZHOU, JIAWEN
Exec Dt:
11/09/2013
5
GUIMARD, NATHALIE
Exec Dt:
11/14/2013
6
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
11/14/2013
7
OEHLENSCHLAEGER, KIM KLAUS
Exec Dt:
11/16/2013
8
HENNIG, ANDRE
Exec Dt:
11/14/2013
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10030105
US20140163165
14234936
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:032605/0478   Pages: 9
Recorded: 04/04/2014
Attorney Dkt #:P001 00576
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRANDAU, SVEN
Exec Dt:
02/12/2014
2
KAISER, ANDREAS
Exec Dt:
02/17/2014
3
KLIMPEL, MICHAEL
Exec Dt:
02/25/2014
4
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
02/18/2014
5
DUERR, CHRISTOPH
Exec Dt:
02/23/2014
6
EMMERLING, SEBASTIAN
Exec Dt:
02/26/2014
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-50569
COLOGNE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140235744
14235551
Correspondence name and address
JENNIFER R. SENG
111 RIDC PARK WEST DRIVE
LAW & INTELLECTUAL PROPERTY DEPARTMENT
PITTSBURGH, PA 15275-1112
Assignment: 11
Reel/Frame:033038/0374   Pages: 8
Recorded: 06/05/2014
Attorney Dkt #:435608US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
03/26/2014
2
HILF, STEFAN
Exec Dt:
04/17/2014
3
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
04/04/2014
4
GUIMARD, NATHALIE
Exec Dt:
04/16/2014
5
OEHLENSCHLAEGER, KIM KLAUS
Exec Dt:
04/07/2014
6
MUELLER, JAN
Exec Dt:
04/07/2014
Assignee
1
EVONIK INDUSTRIES AG
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140323648
14363055
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:036695/0892   Pages: 8
Recorded: 09/30/2015
Attorney Dkt #:454824US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
05/13/2015
2
OEHLENSCHLAEGER, KIM KLAUS
Exec Dt:
06/15/2015
3
HILF, STEFAN
Exec Dt:
06/02/2015
4
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
05/07/2015
5
GUIMARD, NATHALIE
Exec Dt:
07/04/2015
6
MUELLER, JAN
Exec Dt:
05/13/2015
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9550851
US20150299363
14651317
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:044580/0837   Pages: 10
Recorded: 01/10/2018
Attorney Dkt #:6509-P50412
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, JOACHIM
Exec Dt:
12/14/2017
2
RICHTER, BENJAMIN
Exec Dt:
12/22/2017
3
QUICK, ALEXANDER
Exec Dt:
12/06/2017
4
MUELLER, JONATHAN
Exec Dt:
12/03/2017
5
BASTMEYER, MARTIN
Exec Dt:
12/01/2017
6
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
12/06/2017
7
WEGENER, MARTIN
Exec Dt:
11/30/2017
Assignee
1
KARLSRUHER INSTITUT FUER TECHNOLOGIE
KAISERSTRASSE 12
KARLSRUHE, GERMANY 76131
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180149972
15576348
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, STE 4200
AUSTIN, TX 78759
Assignment: 14
Reel/Frame:046419/0709   Pages: 34
Recorded: 06/25/2018
Attorney Dkt #:514383US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FREDERICH GEORG
Exec Dt:
02/22/2018
2
PAULMANN, UWE
Exec Dt:
02/09/2018
3
RICHTER, CHRISTIAN
Exec Dt:
02/15/2018
4
INHESTERN, MARCEL
Exec Dt:
05/22/2018
5
MEIER, CHRISTIAN
Exec Dt:
02/08/2018
6
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
02/13/2018
7
PAHNKE, KAI
Exec Dt:
02/20/2018
8
SANZ, MIGUEL ANGEL
Exec Dt:
02/19/2018
9
UMBREEN, SUMAIRA
Exec Dt:
02/16/2018
10
JANSSEN, CHRISTIAN EWALD
Exec Dt:
03/15/2018
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190016676
16065895
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:047864/0123   Pages: 36
Recorded: 10/10/2018
Attorney Dkt #:514383US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE FIRST ASSIGNOR'S NAME PREVIOUSLY RECORDED AT REEL: 046419 FRAME: 0709. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
02/22/2018
2
PAULMANN, UWE
Exec Dt:
02/09/2018
3
RICHTER, CHRISTIAN
Exec Dt:
02/15/2018
4
INHESTERN, MARCEL
Exec Dt:
05/22/2018
5
MEIER, CHRISTIAN
Exec Dt:
02/08/2018
6
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
02/13/2018
7
PAHNKE, KAI
Exec Dt:
02/20/2018
8
SANZ, MIGUEL ANGEL
Exec Dt:
02/19/2018
9
UMBREEN, SUMAIRA
Exec Dt:
02/16/2018
10
JANSSEN, CHRISTIAN EWALD
Exec Dt:
03/15/2018
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190016676
16065895
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:051712/0594   Pages: 6
Recorded: 02/04/2020
Attorney Dkt #:173P639
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOSZNER, NORBERT
Exec Dt:
11/07/2019
2
HENDRIK, JOHN
Exec Dt:
11/11/2019
3
LAMPARTH, IRIS
Exec Dt:
11/11/2019
4
BARNER-KOWOLLIK, CHRISTOPHER
Exec Dt:
01/24/2020
5
KRAPPITZ, TIM
Exec Dt:
01/24/2020
6
FEIST, FLORIAN
Exec Dt:
01/24/2020
Assignee
1
IVOCLAR VIVADENT AG
BENDERERSTRASSE 2
SCHAAN, LIECHTENSTEIN FL-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10875949
US20200079888
16549163
Correspondence name and address
IVOCLAR VIVADENT INC.
175 PINEVIEW DRIVE
AMHERST, NY 14228

Search Results as of: 05/24/2024 07:49 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