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 : DE GANS, BEREND-JAN
Total Assignments: 11
Assignment: 1
Reel/Frame:026685/0572   Pages: 14
Recorded: 08/02/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUBERT, FRANK
Exec Dt:
02/21/2011
2
NAUMANN, MATTHIAS
Exec Dt:
02/23/2011
3
KNOTT, WILFRIED
Exec Dt:
02/17/2011
4
VENZMER, JOACHIM
Exec Dt:
02/21/2011
5
DE GANS, BEREND-JAN
Exec Dt:
02/17/2011
6
WIECHERS, SUSANN
Exec Dt:
02/28/2011
Assignee
1
EVONIK GOLDSCHMIDT GMBH
GOLDSCHMIDTSTRASSE 100
45127 ESSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8247525
US20110281973
13019464
Correspondence name and address
JACQUELYN DAHLIN
745 5TH AVENUE
10TH FLOOR
NEW YORK, NY 10151
Assignment: 2
Reel/Frame:031822/0702   Pages: 20
Recorded: 12/19/2013
Attorney Dkt #:30643
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAHL, VERENA
Exec Dt:
09/17/2013
2
HERRWERTH, SASCHA
Exec Dt:
09/16/2013
3
HARTUNG, CHRISTIAN
Exec Dt:
09/13/2013
4
VENZMER, JOACHIM
Exec Dt:
09/16/2013
5
KUPPERT, DIRK
Exec Dt:
09/23/2013
6
DE GANS, BEREND-JAN
Exec Dt:
09/16/2013
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9138385
US20140134125
14127820
Correspondence name and address
SCULLY SCOTT MURPHY & PRESSER, PC
400 GARDEN CITY PLAZA
SUITE 300
GARDEN CITY, NY 11530
Assignment: 3
Reel/Frame:048406/0481   Pages: 17
Recorded: 02/22/2019
Attorney Dkt #:000741US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEYFRIED, MONA
Exec Dt:
02/14/2019
2
SILBER, STEFAN
Exec Dt:
02/17/2019
3
DE GANS, BEREND-JAN
Exec Dt:
02/14/2019
4
FIEDEL, MICHAEL
Exec Dt:
02/12/2019
5
HALLACK, MARKUS
Exec Dt:
02/13/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11021608
US20190241741
16268606
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 4
Reel/Frame:052933/0772   Pages: 17
Recorded: 06/13/2020
Attorney Dkt #:002674US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEYFRIED, MONA
Exec Dt:
05/27/2020
2
SILBER, STEFAN
Exec Dt:
05/25/2020
3
DE GANS, BEREND-JAN
Exec Dt:
05/20/2020
4
FIEDEL, MICHAEL
Exec Dt:
06/06/2020
5
HALLACK, MARKUS
Exec Dt:
05/19/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12018149
US20200308406
16834781
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD.
5TH FLOOR
TYSONS, VA 22102
Assignment: 5
Reel/Frame:054438/0471   Pages: 5
Recorded: 11/21/2020
Attorney Dkt #:002791US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALLACK, MARKUS
Exec Dt:
10/30/2020
2
SEYFRIED, MONA
Exec Dt:
10/30/2020
3
DE GANS, BEREND-JAN
Exec Dt:
10/30/2020
4
DÜLLMANN, FLORIAN
Exec Dt:
10/30/2020
5
HERRWERTH, SASCHA
Exec Dt:
10/30/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11254819
US20210122921
16949320
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 6
Reel/Frame:056566/0834   Pages: 3
Recorded: 06/16/2021
Attorney Dkt #:003346USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HINRICHS, PETRA
Exec Dt:
02/18/2021
2
DE GANS, BEREND-JAN
Exec Dt:
02/19/2021
3
REINARTZ, ROGER
Exec Dt:
02/18/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12091579
US20220073765
17414497
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 7
Reel/Frame:057317/0960   Pages: 3
Recorded: 08/27/2021
Attorney Dkt #:003728US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALLACK, MARKUS
Exec Dt:
08/19/2021
2
DE GANS, BEREND-JAN
Exec Dt:
08/20/2021
3
DÜLLMANN, FLORIAN
Exec Dt:
08/20/2021
4
HERRWERTH, SASCHA
Exec Dt:
08/21/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220049362
17399171
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 8
Reel/Frame:058726/0865   Pages: 5
Recorded: 01/21/2022
Attorney Dkt #:003830US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE GANS, BEREND-JAN
Exec Dt:
01/05/2022
2
FAVRESSE, PHILIPPE
Exec Dt:
01/09/2022
3
KNOTT, WILFRIED
Exec Dt:
01/17/2022
4
DUDZIK, HORST
Exec Dt:
01/05/2022
5
HALLACK, MARKUS
Exec Dt:
01/04/2022
6
DÜLLMANN, FLORIAN
Exec Dt:
01/04/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12152109
US20220177652
17457944
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 9
Reel/Frame:060575/0791   Pages: 5
Recorded: 07/21/2022
Attorney Dkt #:004074US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE GANS, BEREND-JAN
Exec Dt:
07/18/2022
2
FAVRESSE, PHILIPPE
Exec Dt:
07/14/2022
3
KNOTT, WILFRIED
Exec Dt:
07/14/2022
4
DUDZIK, HORST
Exec Dt:
07/15/2022
5
JOHANNES, MONIKA
Exec Dt:
07/14/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230041322
17812087
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 10
Reel/Frame:062469/0891   Pages: 14
Recorded: 01/24/2023
Attorney Dkt #:004737US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE GANS, BEREND-JAN
Exec Dt:
12/06/2022
2
KNOTT, WILFRIED
Exec Dt:
12/05/2022
3
DUDZIK, HORST
Exec Dt:
12/06/2022
4
HALLACK, MARKUS
Exec Dt:
12/05/2022
5
DÜLLMANN, FLORIAN
Exec Dt:
01/16/2023
6
FAVRESSE, PHILIPPE
Exec Dt:
12/05/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230159756
18058762
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 11
Reel/Frame:067071/0874   Pages: 8
Recorded: 04/11/2024
Attorney Dkt #:005925US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE GANS, BEREND-JAN
Exec Dt:
03/21/2024
2
PETERS, OLIVER
Exec Dt:
04/03/2024
3
GIUFFRE, GIUSEPPE
Exec Dt:
03/25/2024
4
HÜBNER, LAURA
Exec Dt:
03/21/2024
5
FAVRESSE, PHILIPPE
Exec Dt:
03/21/2024
6
SOWA, ANDREA
Exec Dt:
03/21/2024
7
NIEDBALLA, JONAS
Exec Dt:
03/22/2024
8
BROKAMP, JASMIN
Exec Dt:
03/21/2024
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240287324
18587215
Correspondence name and address
SANJA MAHMUTOVIC
1775 TYSONS BLVD
TYSONS,, VA 22102

Search Results as of: 10/03/2025 07:44 PM
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