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 : OKKEL, ANDREAS
Total Assignments: 21
Assignment: 1
Reel/Frame:039877/0332   Pages: 4
Recorded: 09/28/2016
Attorney Dkt #:BYK.P.L013053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
07/05/2016
2
OMEIS, JÜRGEN
Exec Dt:
07/04/2016
3
PRITSCHINS, WOLFGANG
Exec Dt:
07/05/2016
4
BÖMER, JÖRG
Exec Dt:
07/05/2016
5
STELZ, SABINE
Exec Dt:
07/05/2016
6
ESSER, ANDREA
Exec Dt:
07/07/2016
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESSEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10640611
US20170190840
15038379
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 2
Reel/Frame:043259/0400   Pages: 3
Recorded: 08/10/2017
Attorney Dkt #:BYK.P01180PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMEIS, JÜRGEN
Exec Dt:
07/22/2017
2
OKKEL, ANDREAS
Exec Dt:
07/24/2017
3
MEICHSNER, MARCUS
Exec Dt:
07/25/2017
4
RUDOLFI, ASTRID
Exec Dt:
07/25/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10301486
US20170292030
15516187
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 3
Reel/Frame:044773/0220   Pages: 4
Recorded: 01/30/2018
Attorney Dkt #:BYK.P01182PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
01/30/2018
2
OMEIS, JÜRGEN
Exec Dt:
12/04/2017
3
BÖMER, JÖRG
Exec Dt:
01/25/2018
4
ROCH, MONIKA
Exec Dt:
01/25/2018
5
STELZ, SABINE
Exec Dt:
01/25/2018
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10544091
US20180141896
15575128
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 4
Reel/Frame:045147/0780   Pages: 4
Recorded: 03/08/2018
Attorney Dkt #:BYK.P01184PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
01/30/2018
2
PIESTERT, FREDERIK
Exec Dt:
01/26/2018
3
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
4
BÖMER, JÖRG
Exec Dt:
01/25/2018
5
HEITZER, JENNIFER
Exec Dt:
01/25/2018
6
HOVERATH, EVA
Exec Dt:
03/05/2018
7
STELZ, SABINE
Exec Dt:
01/25/2018
8
TIEGS, WERNER
Exec Dt:
03/02/2018
9
OMEIS, JÜRGEN
Exec Dt:
12/04/2017
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10253133
US20180148532
15575219
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 5
Reel/Frame:045350/0381   Pages: 4
Recorded: 03/26/2018
Attorney Dkt #:BYK.P01190PFA-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/21/2018
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
3
BESSEL, MICHAEL
Exec Dt:
03/07/2018
4
GIEBELHAUS, IRINA
Exec Dt:
03/12/2018
5
MEICHSNER, MARCUS
Exec Dt:
03/13/2018
6
ROCH, MONIKA
Exec Dt:
03/21/2018
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180186917
15740624
Correspondence name and address
CURATOLO SIDOTI CO., LPA
24500 CENTER RIDGE RD
SUITE 280
CLEVELAND, OH 44145
Assignment: 6
Reel/Frame:059669/0098   Pages: 4
Recorded: 04/21/2022
Attorney Dkt #:BYK.P01190A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/21/2018
2
PRITSCHINS, WOLFGANG
Exec Dt:
02/22/2018
3
BESSEL, MICHAEL
Exec Dt:
03/07/2018
4
GIEBELHAUS, IRINA
Exec Dt:
03/12/2018
5
MEICHSNER, MARCUS
Exec Dt:
03/13/2018
6
ROCH, MONIKA
Exec Dt:
03/21/2018
Assignee
1
BYK-CHEMIE GMBH
ABELSTRASSE 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11879032
US20220282021
17726106
Correspondence name and address
CURATOLO SIDOTI & TRILLIS CO., LPA
24500 CENTER RIDGE ROAD
SUITE 280
CLEVELAND, OH 44145
Assignment: 7
Reel/Frame:048656/0905   Pages: 7
Recorded: 03/21/2019
Attorney Dkt #:20875-145291-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIEBELHAUS, IRINA
Exec Dt:
03/08/2019
2
OKKEL, ANDREAS
Exec Dt:
03/11/2019
3
PRITSCHINS, WOLFGANG
Exec Dt:
03/18/2019
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10836857
US20190263964
16333847
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET, SUITE 2100
CHICAGO, IL 60603
Assignment: 8
Reel/Frame:052241/0836   Pages: 8
Recorded: 03/27/2020
Attorney Dkt #:20875-148688-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
02/27/2020
2
PRITSCHINS, WOLFGANG
Exec Dt:
03/26/2020
3
BURGE, MATTHEW
Exec Dt:
02/27/2020
4
TEUWSEN, HANS-JOSEF
Exec Dt:
02/27/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11447598
NONE
16643254
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 S. LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 9
Reel/Frame:052400/0545   Pages: 11
Recorded: 04/15/2020
Attorney Dkt #:20875-148488-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/02/2020
2
GIEBELHAUS, IRINA
Exec Dt:
03/12/2020
3
JAUNKY, GUILLAUME WOJCIECH
Exec Dt:
03/19/2020
4
TEUWSEN, HANS-JOSEF
Exec Dt:
03/02/2020
5
LORENZ, MARKUS
Exec Dt:
02/01/2020
6
VOGEL, ANNE
Exec Dt:
04/06/2020
7
BOMER, JORG
Exec Dt:
03/11/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11453748
US20200216694
16635839
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 S. LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 10
Reel/Frame:052411/0617   Pages: 8
Recorded: 04/16/2020
Attorney Dkt #:20875-148489-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
03/02/2020
2
GIEBELHAUS, IRINA
Exec Dt:
03/12/2020
3
JAUNKY, GUILLAUME WOJCIECH
Exec Dt:
03/27/2020
4
LORENZ, MARKUS
Exec Dt:
02/10/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200392286
16635846
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY LLP
120 SOUTH LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 11
Reel/Frame:052881/0497   Pages: 7
Recorded: 06/09/2020
Attorney Dkt #:20875-149157-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
05/05/2020
2
FRANK, ALBERT
Exec Dt:
05/07/2020
3
YONEHARA, HIROSHI
Exec Dt:
05/08/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200347171
16762218
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET
SUITE
CHICAGO, IL 60603
Assignment: 12
Reel/Frame:052947/0692   Pages: 7
Recorded: 06/16/2020
Attorney Dkt #:20875-149159-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
05/05/2020
2
FRANK, ALBERT
Exec Dt:
05/07/2020
3
YONEHARA, HIROSHI
Exec Dt:
05/08/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210179764
16762242
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 S. LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 13
Reel/Frame:057868/0350   Pages: 12
Recorded: 10/21/2021
Attorney Dkt #:20875-153603-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
07/06/2020
2
YONEHARA, HIROSHI
Exec Dt:
07/09/2020
3
LINDNER, BENJAMIN
Exec Dt:
07/12/2020
4
BÖMER, JÖRG
Exec Dt:
07/13/2020
5
FRANK, ALBERT
Exec Dt:
07/09/2020
6
KRAPPE, UDO
Exec Dt:
11/10/2020
7
KOHARA, YOSHIZUMI
Exec Dt:
07/15/2020
8
TAKABAYASHI, RYO
Exec Dt:
07/07/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220213337
17605458
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET, SUITE 2100
CHICAGO, IL 60603
Assignment: 14
Reel/Frame:058608/0749   Pages: 11
Recorded: 01/04/2022
Attorney Dkt #:20875-154004-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIEBELHAUS, IRINA
Exec Dt:
10/02/2020
2
VON HAAREN, JAN
Exec Dt:
09/18/2020
3
OKKEL, ANDREAS
Exec Dt:
09/29/2020
4
STANNEK, PETER
Exec Dt:
09/28/2020
5
LORENZ, MARKUS
Exec Dt:
11/27/2020
6
BÖMER, JÖRG
Exec Dt:
09/29/2020
7
HEITZER, JENNIFER
Exec Dt:
08/25/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220267523
17624620
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET, SUITE 2100
CHICAGO, IL 60603
Assignment: 15
Reel/Frame:054824/0748   Pages: 8
Recorded: 12/22/2020
Attorney Dkt #:20875-150457-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
11/23/2020
2
GRIESEL, WOLFGANG
Exec Dt:
12/16/2020
3
JAUNKY, GUILLAUME WOJCIECH
Exec Dt:
12/11/2020
4
SCHOLTEN, RAMONA
Exec Dt:
11/16/2020
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11623977
US20210221948
15733940
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY LLP
120 SOUTH LASALLE STREET
SUITE 2100
CHICAGO, IL 60603
Assignment: 16
Reel/Frame:056415/0060   Pages: 7
Recorded: 06/02/2021
Attorney Dkt #:20875-152199-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
04/28/2021
2
JAUNKY, GUILLAUME WOJCIECH
Exec Dt:
04/29/2021
3
KITAGAWA, YOSHITO
Exec Dt:
05/26/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210380491
17286849
Correspondence name and address
FITCH EVEN TABIN & FLANNERY LLP
120 SOUTH LASALLE STREET, SUITE 2100
CHICAGO, IL 60603
Assignment: 17
Reel/Frame:057162/0612   Pages: 7
Recorded: 08/12/2021
Attorney Dkt #:20875-153221-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKKEL, ANDREAS
Exec Dt:
04/28/2021
2
STELZ, SABINE
Exec Dt:
05/05/2021
3
STOPKA, SABRINA
Exec Dt:
05/19/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11787955
US20220135812
17430504
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY LLP
120 SOUTH LASALLE STREET
SUITE 2100
CHICAGO, 60603 UNITED STATES
Assignment: 18
Reel/Frame:060780/0612   Pages: 8
Recorded: 08/11/2022
Attorney Dkt #:20875-155512-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN KAMP, INA
Exec Dt:
06/23/2021
2
OKKEL, ANDREAS
Exec Dt:
06/21/2021
3
MEYER, SANDRA SABRINA
Exec Dt:
06/21/2021
4
RUDOLFI, ASTRID
Exec Dt:
06/17/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230141337
17798936
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY LLP
120 SOUTH LASALLE STREET SUITE 2100
CHICAGO, IL 60603
Assignment: 19
Reel/Frame:059302/0123   Pages: 11
Recorded: 03/18/2022
Attorney Dkt #:20875-151719-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAUNKY, GUILLAUME WOJCIECH
Exec Dt:
10/08/2021
2
OKKEL, ANDREAS
Exec Dt:
10/25/2021
3
GIEBELHAUS, IRINA
Exec Dt:
10/18/2021
4
TEUWSEN, HANS-JOSEF
Exec Dt:
10/11/2021
5
BÖMER, JÖRG
Exec Dt:
10/25/2021
6
VOGEL, ANNE
Exec Dt:
10/12/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220243011
17276057
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY LLP
120 S. LASALLE STREET SUITE 2100
CHICAGO, IL 60603
Assignment: 20
Reel/Frame:059074/0073   Pages: 10
Recorded: 02/23/2022
Attorney Dkt #:20875-153182-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VON HAGEN, ROBIN
Exec Dt:
11/11/2021
2
TAKAI, MEGUMU
Exec Dt:
11/12/2021
3
OKKEL, ANDREAS
Exec Dt:
11/15/2021
4
YONEHARA, HIROSHI
Exec Dt:
11/17/2021
5
LINDNER, BENJAMIN
Exec Dt:
02/23/2022
6
SUGIOKA, YU
Exec Dt:
11/15/2021
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220041852
17433050
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY, LLP
120 SOUTH LASALLE STREET
SUITE 2100
CHICAGO, 60603 UNITED STATES
Assignment: 21
Reel/Frame:064855/0713   Pages: 10
Recorded: 09/11/2023
Attorney Dkt #:20875-158341-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HINO, SHINJI
Exec Dt:
08/31/2023
2
LINDNER, BENJAMIN
Exec Dt:
09/14/2022
3
OKKEL, ANDREAS
Exec Dt:
08/31/2023
4
STELZ, SABINE
Exec Dt:
07/25/2022
5
TAKABAYASHI, RYO
Exec Dt:
07/19/2022
6
YONEHARA, HIROSHI
Exec Dt:
07/18/2022
Assignee
1
BYK-CHEMIE GMBH
ABELSTR. 45
WESEL, GERMANY 46483
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240158582
18281322
Correspondence name and address
FITCH, EVEN, TABIN, & FLANNERY LLP
120 SOUTH LASALLE STREET SUITE 2100
CHICAGO, IL 60603

Search Results as of: 05/23/2024 11:59 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