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Patent Assignment Assignor Details
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Assignor Name : KUENZEL, ROLAND
Total Assignments: 20
Assignment: 1
Reel/Frame:003908/0138   Pages: 1
Recorded: 08/07/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KUENZEL, ROLAND
Exec Dt:
07/29/1981
Assignee
1
SIEMENS AKTIENGESELLSCHAFT
A GERMAN CORP.
BERLIN AND MUNICH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4399330
NONE
06291018
Correspondence name and address
HILL, VAN SANTEN, STEADMAN, CHIARA &
SIMPSON, 70TH FLOOR SEARS TOWER
CHICAGO, IL 60606
Assignment: 2
Reel/Frame:015326/0810   Pages: 2
Recorded: 01/20/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMINSKI, AXEL
Exec Dt:
11/24/2003
2
KUENZEL, ROLAND
Exec Dt:
11/24/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7276197
US20040169315
10484289
Correspondence name and address
BAYER POLYMERS LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:025586/0846   Pages: 3
Recorded: 01/05/2011
Attorney Dkt #:11640-4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAUCK, MARTIN
Exec Dt:
11/11/2010
2
SCHAEFER, WOLFGANG
Exec Dt:
11/11/2010
3
KUENZEL, ROLAND
Exec Dt:
11/24/2010
4
MEYER, KLAUS
Exec Dt:
11/24/2010
5
KINZEL, NORBERT
Exec Dt:
11/22/2010
Assignee
1
MARABU GMBH & CO. KG
ASPERGER STRASSE 4
71732 TAMM, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8580878
US20110118377
12992395
Correspondence name and address
LUCAS & MERCANTI, LLP
475 PARK AVENUE SOUTH
15TH FLOOR
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:026088/0568   Pages: 2
Recorded: 04/07/2011
Attorney Dkt #:15778-00381-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
01/04/2011
2
YESILDAG, MEHMET-CENGIZ
Exec Dt:
01/10/2011
3
KUENZEL, ROLAND
Exec Dt:
01/04/2011
4
POPHUSEN, DIRK
Exec Dt:
01/10/2011
5
PUDLEINER, HEINZ
Exec Dt:
01/11/2011
6
LINDNER, MANFRED
Exec Dt:
01/06/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110206908
13120847
Correspondence name and address
DAVID M. MORSE
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 5
Reel/Frame:026733/0779   Pages: 2
Recorded: 08/11/2011
Attorney Dkt #:14069-00308
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROELLE, THOMAS
Exec Dt:
05/22/2011
2
BRUDER, FRIEDRICH-KARL
Exec Dt:
05/22/2011
3
FAECKE, THOMAS
Exec Dt:
05/27/2011
4
WEISER, MARC-STEPHAN
Exec Dt:
05/27/2011
5
HOENEL, DENNIS
Exec Dt:
05/27/2011
6
KUENZEL, ROLAND
Exec Dt:
06/01/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8715889
US20110311906
13201004
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 6
Reel/Frame:027891/0795   Pages: 2
Recorded: 03/20/2012
Attorney Dkt #:14069-00341
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUENZEL, ROLAND
Exec Dt:
02/24/2012
2
BERGER, ARMIN
Exec Dt:
02/24/2012
3
PROTTE, RAINER
Exec Dt:
02/28/2012
4
KLIMMASCH, THOMAS
Exec Dt:
03/01/2012
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120213977
13367502
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:031582/0080   Pages: 4
Recorded: 11/12/2013
Attorney Dkt #:2923343-102000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROETSCH, MATTHIAS
Exec Dt:
09/27/2013
2
TZIOVARAS, GEORGIOUS
Exec Dt:
09/06/2013
3
PUDLEINER, HEINZ, DR.
Exec Dt:
09/06/2013
4
KUENZEL, ROLAND
Exec Dt:
09/06/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140054177
14003783
Correspondence name and address
MILES & STOCKBRIDGE P.C.
1751 PINNACLE DRIVE
SUITE 500
TYSONS CORNER, VA 22102
Assignment: 8
Reel/Frame:035237/0863   Pages: 4
Recorded: 03/24/2015
Attorney Dkt #:074023-0601-US-523625
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONHARDT, KONSTANTIN
Exec Dt:
02/17/2015
2
KUENZEL, ROLAND
Exec Dt:
02/02/2015
3
HERDT, BJOERN
Exec Dt:
02/17/2015
4
DAHMEN, HANS-JOERG
Exec Dt:
03/16/2015
5
MUNDSTOCK, HOLGER
Exec Dt:
03/11/2015
6
POPHUSEN, DIRK
Exec Dt:
02/17/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10173355
US20150239159
14428485
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 9
Reel/Frame:038312/0154   Pages: 12
Recorded: 04/19/2016
Attorney Dkt #:2901664-103000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
10/22/2015
2
POPHUSEN, DIRK
Exec Dt:
10/28/2015
3
KUENZEL, ROLAND
Exec Dt:
11/16/2015
4
LINDNER, MANFRED
Exec Dt:
12/09/2015
5
WOJATSCHEK, JUERGEN
Exec Dt:
11/09/2015
6
STRAUB, BERND
Exec Dt:
11/09/2015
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9400420
US20150355536
14655510
Correspondence name and address
MMWV IP, LLC.
10 NORTH JEFFERSON STREET
SUITE 100
FREDERICK, MD 21701
Assignment: 10
Reel/Frame:038251/0305   Pages: 4
Recorded: 04/12/2016
Attorney Dkt #:074023-0645-US-536407
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSTROMINE, SERGUEI
Exec Dt:
11/24/2015
2
PETZOLDT, JOACHIM
Exec Dt:
11/27/2015
3
HOVESTADT, WIELAND
Exec Dt:
11/30/2015
4
HOBEIKA, SVEN
Exec Dt:
12/09/2015
5
KUENZEL, ROLAND
Exec Dt:
12/03/2015
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160152833
14897734
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 11
Reel/Frame:038251/0477   Pages: 6
Recorded: 04/12/2016
Attorney Dkt #:074023-0650-US-537048
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSTROMINE, SERGUEI
Exec Dt:
03/03/2016
2
PETZOLDT, JOACHIM
Exec Dt:
03/01/2016
3
KUENZEL, ROLAND
Exec Dt:
03/15/2016
4
LEONHARDT, KONSTANTIN
Exec Dt:
03/16/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10000658
US20160152863
14900776
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 12
Reel/Frame:044952/0245   Pages: 6
Recorded: 02/16/2018
Attorney Dkt #:074023-0650-01-US-574324
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSTROMINE, SERGUEI
Exec Dt:
03/03/2016
2
PETZOLDT, JOACHIM
Exec Dt:
03/01/2016
3
KUENZEL, ROLAND
Exec Dt:
03/15/2016
4
LEONHARDT, KONSTANTIN
Exec Dt:
03/16/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10526504
US20180187041
15898297
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 13
Reel/Frame:039857/0199   Pages: 3
Recorded: 09/26/2016
Attorney Dkt #:074023-0726-US-547225
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSTROMINE, SERGUEI
Exec Dt:
08/31/2016
2
PETZOLDT, JOACHIM
Exec Dt:
08/26/2016
3
LAUTWEIN, KAY
Exec Dt:
08/29/2016
4
KUENZEL, ROLAND
Exec Dt:
09/05/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10344170
US20180179392
15129203
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 14
Reel/Frame:043851/0170   Pages: 3
Recorded: 10/12/2017
Attorney Dkt #:074023-0751-US-569251
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONHARDT, KONSTANTIN
Exec Dt:
08/21/2017
2
PETZOLDT, JOACHIM
Exec Dt:
08/25/2017
3
KUENZEL, ROLAND
Exec Dt:
08/21/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180112051
15566036
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 15
Reel/Frame:055254/0395   Pages: 3
Recorded: 02/15/2021
Attorney Dkt #:2018P30106WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
10/13/2020
2
KUENZEL, ROLAND
Exec Dt:
10/13/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11311904
US20210170441
17268483
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:055476/0502   Pages: 8
Recorded: 03/03/2021
Attorney Dkt #:2018P30103WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUENZEL, ROLAND
Exec Dt:
12/07/2020
2
CAPELLEN, PETER
Exec Dt:
11/27/2020
3
GRIMM, THOMAS
Exec Dt:
12/03/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210331360
17272991
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:057749/0920   Pages: 17
Recorded: 10/11/2021
Attorney Dkt #:2019P30012WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUENZEL, ROLAND
Exec Dt:
05/12/2021
2
GROSSER, ULRICH
Exec Dt:
05/16/2021
3
GRIMM, THOMAS
Exec Dt:
05/31/2021
4
KLINKENBERG, CHRISTOPH
Exec Dt:
05/18/2021
5
LEONHARDT, KONSTANTIN
Exec Dt:
07/13/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220152971
17602807
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 18
Reel/Frame:059868/0057   Pages: 5
Recorded: 05/09/2022
Attorney Dkt #:2019P30157WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TZIOVARAS, GEORGIOS
Exec Dt:
01/26/2022
2
KUENZEL, ROLAND
Exec Dt:
01/27/2022
3
KOEHLER, CHRISTOPH
Exec Dt:
01/26/2022
4
PLANKEN, KIRA
Exec Dt:
02/08/2022
5
JANKE, STEFAN
Exec Dt:
01/28/2022
6
PUDLEINER, HEINZ
Exec Dt:
01/26/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230008490
17775341
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 19
Reel/Frame:060480/0897   Pages: 8
Recorded: 07/12/2022
Attorney Dkt #:2017P30227WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
03/04/2022
2
TZIOVARAS, GEORGIOS
Exec Dt:
03/04/2022
3
PLANKEN, KIRA
Exec Dt:
03/04/2022
4
JANKE, STEFAN
Exec Dt:
03/04/2022
5
KOEHLER, CHRISTOPOH
Exec Dt:
03/04/2022
6
KUENZEL, ROLAND
Exec Dt:
03/07/2022
7
WANG, DAOPENG
Exec Dt:
02/17/2022
8
FENG, MENG
Exec Dt:
02/17/2022
9
ZHAO, YIZHE
Exec Dt:
02/24/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230025063
17781487
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 20
Reel/Frame:060480/0954   Pages: 8
Recorded: 07/12/2022
Attorney Dkt #:2017P30227WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUDLEINER, HEINZ
Exec Dt:
06/21/2022
2
TZIOVARAS, GEORGIOS
Exec Dt:
06/21/2022
3
PLANKEN, KIRA
Exec Dt:
06/21/2022
4
JANKE, STEFAN
Exec Dt:
06/21/2022
5
KOEHLER, CHRISTOPH
Exec Dt:
06/21/2022
6
KUENZEL, ROLAND
Exec Dt:
07/11/2022
7
WANG, DAOPENG
Exec Dt:
06/10/2022
8
FENG, MENG
Exec Dt:
06/23/2022
9
ZHAO, YIZHE
Exec Dt:
06/23/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230025063
17781487
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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