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Patent Assignment Assignor Details
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Assignor Name : HILF, STEFAN
Total Assignments: 19
Assignment: 1
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: 2
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: 3
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: 4
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: 5
Reel/Frame:030766/0417   Pages: 12
Recorded: 07/10/2013
Attorney Dkt #:417077US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILF, STEFAN
Exec Dt:
05/02/2013
2
POPPE, DIRK
Exec Dt:
05/03/2013
3
KLEIN, ALEXANDER
Exec Dt:
05/06/2013
4
HEEB, HEIKE
Exec Dt:
05/28/2013
5
STEFFAN, ARMIN
Exec Dt:
05/21/2013
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130289164
13978481
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:031822/0264   Pages: 14
Recorded: 12/19/2013
Attorney Dkt #:425670US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILF, STEFAN
Exec Dt:
08/02/2013
2
KLEIN, ALEXANDER
Exec Dt:
08/19/2013
3
HEEB, HEIKE
Exec Dt:
08/13/2013
4
KIZEWSKI, INGRID
Exec Dt:
08/02/2013
5
GRIMM, SEBASTIAN
Exec Dt:
08/06/2013
6
FLITTNER, MICHAEL
Exec Dt:
08/12/2013
Assignee
1
EVONIK ROEHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9862788
US20140128536
14127799
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:032405/0158   Pages: 5
Recorded: 03/11/2014
Attorney Dkt #:H 09254
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRAUSE, SIMON
Exec Dt:
09/02/2013
2
HILF, STEFAN
Exec Dt:
08/22/2013
Assignee
1
EVONIK ROHM GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9670295
US20130197156
13796771
Correspondence name and address
HENKEL CORPORATION
ONE HENKEL WAY
ROCKY HILL, CT 06067
Assignment: 8
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: 9
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: 10
Reel/Frame:032956/0994   Pages: 3
Recorded: 05/23/2014
Attorney Dkt #:430039US99X PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
02/25/2014
2
HILF, STEFAN
Exec Dt:
02/25/2014
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9169363
US20140323001
14360442
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
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:038756/0393   Pages: 6
Recorded: 06/01/2016
Attorney Dkt #:471157US99XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
04/27/2016
2
HILF, STEFAN
Exec Dt:
05/06/2016
3
KUBE, MICHAEL
Exec Dt:
04/27/2016
4
TUNCAY, ZUHAL
Exec Dt:
04/28/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160304683
15037833
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:041492/0817   Pages: 8
Recorded: 01/25/2017
Attorney Dkt #:500020US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT, FRIEDRICH GEORG
Exec Dt:
07/13/2016
2
HILF, STEFAN
Exec Dt:
07/11/2016
3
HERMES, FLORIAN
Exec Dt:
07/18/2016
4
STASCHIK, DOROTHEA
Exec Dt:
07/11/2016
5
EURICH, THOMAS
Exec Dt:
07/11/2016
6
PIEROTH, REBECCA
Exec Dt:
07/13/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10494495
US20170218149
15329177
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:058590/0397   Pages: 17
Recorded: 01/10/2022
Attorney Dkt #:77830-1273
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAIER, STEFAN KARL
Exec Dt:
12/07/2021
2
JANSSEN, DIETER
Exec Dt:
05/07/2020
3
ZIEGLER, FABIAN
Exec Dt:
12/08/2021
4
SCHÖLLER, KATRIN
Exec Dt:
12/17/2021
5
HILF, STEFAN
Exec Dt:
10/12/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11618797
US20220195091
17542614
Correspondence name and address
TAYLOR ENGLISH DUMA LLP
1600 PARKWOOD CIRCLE
SUITE 200
ATLANTA, GA 30339
Assignment: 16
Reel/Frame:060138/0063   Pages: 8
Recorded: 06/08/2022
Attorney Dkt #:003955USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAIER, STEFAN KARL
Exec Dt:
03/15/2022
2
NEUSIUS, MICHAEL
Exec Dt:
02/18/2022
3
XIAO, QI
Exec Dt:
03/15/2022
4
FEDOR, GABRIELA
Exec Dt:
03/23/2022
5
HILF, STEFAN
Exec Dt:
03/23/2022
6
MÄHLING, FRANK-OLAF
Exec Dt:
03/24/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11965140
US20220372388
17757031
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 17
Reel/Frame:062244/0761   Pages: 5
Recorded: 12/30/2022
Attorney Dkt #:004801USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAIER, STEFAN KARL
Exec Dt:
09/07/2022
2
ALTENBUCHNER, PETER
Exec Dt:
09/09/2022
3
ZIEGLER, FABIAN
Exec Dt:
09/09/2022
4
ZATOCIL, CHRISTIANE
Exec Dt:
09/12/2022
5
HILF, STEFAN
Exec Dt:
09/19/2022
6
SCHWEISSINGER, EMILY CLARE
Exec Dt:
09/21/2022
7
ELSNER, JENS
Exec Dt:
09/26/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230257674
18003958
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 18
Reel/Frame:062243/0526   Pages: 5
Recorded: 12/30/2022
Attorney Dkt #:004800USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAIER, STEFAN KARL
Exec Dt:
09/06/2022
2
ALTENBUCHNER, PETER
Exec Dt:
09/21/2022
3
ZIEGLER, FABIAN
Exec Dt:
09/21/2022
4
ZATOCIL, CHRISTIANE
Exec Dt:
11/03/2022
5
HILF, STEFAN
Exec Dt:
11/16/2022
6
SCHWEISSINGER, EMILY CLARE
Exec Dt:
11/18/2022
7
ELSNER, JENS
Exec Dt:
11/21/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230257673
18003938
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 19
Reel/Frame:064321/0753   Pages: 20
Recorded: 07/20/2023
Attorney Dkt #:005292US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWEISSINGER, EMILY CLARE
Exec Dt:
06/01/2023
2
MAIER, STEFAN KARL
Exec Dt:
07/10/2023
3
NOTHDURFT, KATJA
Exec Dt:
07/10/2023
4
GROSS-ONNEBRINK, YVONNE
Exec Dt:
07/10/2023
5
JANSSEN, DIETER
Exec Dt:
07/10/2023
6
PLETSCH, HOLGER
Exec Dt:
06/02/2023
7
HILF, STEFAN
Exec Dt:
07/10/2023
8
KLEINSCHMIDT, DENISE
Exec Dt:
07/11/2023
9
BABIK, SEBASTIAN
Exec Dt:
06/07/2023
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11981877
US20230383212
18200043
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102

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