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 : GRABLOWITZ, HANS GEORG
Total Assignments: 15
Assignment: 1
Reel/Frame:022194/0914   Pages: 4
Recorded: 02/03/2009
Attorney Dkt #:14069-00239-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
11/20/2008
2
RISCHE, THORSTEN
Exec Dt:
11/28/2008
3
FELLER, THOMAS
Exec Dt:
11/25/2008
4
MEIXNER, JUERGEN
Exec Dt:
11/25/2008
5
NAUJOKS, KARIN
Exec Dt:
12/01/2008
6
CASSELMANN, HOLGER
Exec Dt:
11/24/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8048954
US20090124764
12269189
Correspondence name and address
EAMONN P. MORRISON
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:027012/0665   Pages: 2
Recorded: 10/04/2011
Attorney Dkt #:2901664-083000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
06/27/2011
2
FELLER, THOMAS
Exec Dt:
06/28/2011
3
MICHAELIS, THOMAS
Exec Dt:
06/29/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BAYER MATERIALSCIENCE AG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8513334
US20110288204
13147254
Correspondence name and address
BAKER DONELSON BEARMAN, CALDWELL & BERK.
920 MASSACHUSETTS AVENUE, N.W.
SUITE 900
WASHINGTON, DC 20001
Assignment: 3
Reel/Frame:032415/0113   Pages: 2
Recorded: 03/12/2014
Attorney Dkt #:15778-00487-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOERR, SEBASTIAN
Exec Dt:
02/13/2014
2
GRABLOWITZ, HANS GEORG
Exec Dt:
02/13/2014
3
VIALA, SOPHIE
Exec Dt:
02/27/2014
4
FELLER, THOMAS
Exec Dt:
02/19/2014
5
MICHAELIS, THOMAS
Exec Dt:
02/21/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9783701
US20140342624
14344416
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 4
Reel/Frame:033302/0917   Pages: 3
Recorded: 07/14/2014
Attorney Dkt #:074023-0562-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
04/24/2014
2
FELLER, THOMAS
Exec Dt:
04/28/2014
3
ZHUANG, WEI
Exec Dt:
04/29/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150005444
14372045
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801
Assignment: 5
Reel/Frame:038302/0069   Pages: 5
Recorded: 04/18/2016
Attorney Dkt #:074023-0659-US-539673
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
04/01/2016
2
FELLER, THOMAS
Exec Dt:
04/04/2016
3
KREUTER, MARTIN
Exec Dt:
04/04/2016
4
JANSSEN, PETRA
Exec Dt:
04/04/2016
5
GIPPERICH, INGO
Exec Dt:
04/07/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10087294
US20160257795
15058642
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 6
Reel/Frame:039765/0689   Pages: 3
Recorded: 09/16/2016
Attorney Dkt #:074023-0688-US-543819
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRABLOWITZ, HANS GEORG
Exec Dt:
09/13/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160376438
15189271
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 7
Reel/Frame:043750/0482   Pages: 7
Recorded: 10/02/2017
Attorney Dkt #:COV172017/MD16-52
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOLDFEIN, STEPHANIE
Exec Dt:
09/26/2017
2
NAKAO, MAKOTO
Exec Dt:
09/29/2017
3
GINDIN, LYUBOV
Exec Dt:
09/26/2017
4
GRABLOWITZ, HANS GEORG
Exec Dt:
09/26/2017
5
KONITSNEY, RONALD
Exec Dt:
09/26/2017
6
HENDERSON, DERICK
Exec Dt:
09/27/2017
7
KASARDO, TINA
Exec Dt:
09/27/2017
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
2
COVESTRO DEUTSCHLAND
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190040181
15667139
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:044637/0311   Pages: 8
Recorded: 01/17/2018
Attorney Dkt #:074023-0774-US-572808
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
12/13/2017
2
PROSS, ALEXANDER
Exec Dt:
12/19/2017
3
WITKOWSKI, REINER
Exec Dt:
12/19/2017
4
BREUER, HOLGER
Exec Dt:
12/28/2017
5
GESTERMANN, SVEN
Exec Dt:
12/19/2017
6
HAHN, CHRISTIAN JOACHIM
Exec Dt:
12/19/2017
7
SCHUBERT, STEPHAN
Exec Dt:
12/19/2017
8
RITTER, JOACHIM
Exec Dt:
12/20/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10752727
NONE
15743342
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, 19801-1621 UNITED STATES
Assignment: 9
Reel/Frame:045996/0289   Pages: 6
Recorded: 06/06/2018
Attorney Dkt #:COV172017USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOLDFEIN, STEPHANIE
Exec Dt:
05/23/2018
2
NAKAO, MAKOTO
Exec Dt:
05/23/2018
3
GINDIN, LYUBOV
Exec Dt:
05/23/2018
4
GRABLOWITZ, HANS GEORG
Exec Dt:
06/01/2018
5
KONITSNEY, RONALD
Exec Dt:
05/23/2018
6
HENDERSON, DERICK
Exec Dt:
05/24/2018
7
KASARDO, TINA
Exec Dt:
05/23/2018
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190040252
15945865
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:046226/0968   Pages: 5
Recorded: 06/28/2018
Attorney Dkt #:COV172017USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOLDFEIN, STEPHANIE
Exec Dt:
06/14/2018
2
NAKAO, MAKOTO
Exec Dt:
06/15/2018
3
GINDIN, LYUBOV
Exec Dt:
06/13/2018
4
KONITSNEY, RONALD
Exec Dt:
06/13/2018
5
HENDERSON, DERICK
Exec Dt:
06/17/2018
6
KASARDO, TINA
Exec Dt:
06/13/2018
7
JONES, PHILIP
Exec Dt:
06/14/2018
8
JEFFRIES, MICHAEL K.
Exec Dt:
06/14/2018
9
GRABLOWITZ, HANS GEORG
Exec Dt:
06/14/2018
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11028296
US20190040291
15948263
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:048133/0048   Pages: 3
Recorded: 01/25/2019
Attorney Dkt #:074023-0815-US-584763
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
12/05/2018
2
ZASTROW, ALFRED
Exec Dt:
01/02/2019
3
FLECK, OLAF
Exec Dt:
12/15/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11511211
US20200306660
16311010
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 12
Reel/Frame:048117/0558   Pages: 5
Recorded: 01/24/2019
Attorney Dkt #:074023-0830-US-585418
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
12/14/2018
2
FELLER, THOMAS
Exec Dt:
01/13/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10934386
US20190225738
16320120
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE
SUITE 1410
WILMINGTON, 19801-1621 UNITED STATES
Assignment: 13
Reel/Frame:052960/0715   Pages: 8
Recorded: 06/17/2020
Attorney Dkt #:2018P30009WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FAN, ZHIRONG
Exec Dt:
06/13/2020
2
ZHAI, SU JUAN
Exec Dt:
04/20/2020
3
AVTOMONOV, EVGENY
Exec Dt:
06/13/2020
4
GRABLOWITZ, HANS GEORG
Exec Dt:
06/13/2020
5
MICHAELIS, THOMAS
Exec Dt:
06/12/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200362196
16954615
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:055311/0177   Pages: 8
Recorded: 02/18/2021
Attorney Dkt #:2018P30100WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
10/28/2020
2
NEFZGER, HARTMUT
Exec Dt:
10/26/2020
3
FLECK, OLAF
Exec Dt:
12/11/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210189060
17269291
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 15
Reel/Frame:062795/0398   Pages: 4
Recorded: 02/24/2023
Attorney Dkt #:2020P30161WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAO, WEIJIA
Exec Dt:
11/08/2022
2
XU, WEN
Exec Dt:
11/25/2022
3
LI, JINQI
Exec Dt:
11/08/2022
4
FAN, ZHIRONG
Exec Dt:
11/07/2022
5
GRABLOWITZ, HANS GEORG
Exec Dt:
11/07/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230220253
18023082
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

Search Results as of: 05/06/2024 10:22 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