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Patent Assignment Assignor Details
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Assignor Name : STEFFENS, CHRISTIAN
Total Assignments: 10
Assignment: 1
Reel/Frame:012161/0707   Pages: 4
Recorded: 09/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRIESSEN-HOLSCHER, BIRGIT
Exec Dt:
08/24/2001
2
KRALIK, JOACHIM
Exec Dt:
08/24/2001
3
RITZKOPF, INGA
Exec Dt:
08/27/2001
4
STEFFENS, CHRISTIAN
Exec Dt:
08/24/2001
5
GIFFELS, GUIDO
Exec Dt:
08/17/2001
6
DREISBACH, CLAUS
Exec Dt:
08/15/2001
7
PRINZ, THOMAS
Exec Dt:
08/15/2001
8
LANGE, WALTER
Exec Dt:
08/14/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6462200
US20020055653
09948826
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:019054/0196   Pages: 3
Recorded: 03/19/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WERSHOFEN, STEFAN
Exec Dt:
02/02/2007
2
HAGEN, TORSTEN
Exec Dt:
02/06/2007
3
STEFFENS, CHRISTIAN
Exec Dt:
02/03/2007
4
BOLTON, JEFFREY
Exec Dt:
02/15/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7368595
US20070167646
11651720
Correspondence name and address
JOHN E. MROZINSKI, JR.
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPT.
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:022391/0495   Pages: 6
Recorded: 03/13/2009
Attorney Dkt #:PO9131/BMS071153
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAUSCH, ANDREAS
Exec Dt:
02/06/2009
2
STEFFENS, CHRISTIAN
Exec Dt:
02/11/2009
3
WASTIAN, DIETMAR
Exec Dt:
02/06/2009
4
KELLER-KILLEWALD, MANFRED
Exec Dt:
02/26/2009
5
BOEHM, MATTHIAS
Exec Dt:
02/11/2009
6
RITTER, JOACHIM
Exec Dt:
02/16/2009
7
GRUENWALD, MARCUS
Exec Dt:
03/04/2009
Assignee
1
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8079752
US20090175121
12316716
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:034287/0832   Pages: 3
Recorded: 12/01/2014
Attorney Dkt #:INOMETA-0001-01-US-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEFFENS, CHRISTIAN
Exec Dt:
11/18/2014
2
BAUDER, VIKTOR
Exec Dt:
11/18/2014
Assignee
1
INOMETA GMBH & CO. KG
PLANCKSTRASSE 15
HERFORD, GERMANY 32052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160153080
14556400
Correspondence name and address
ROBERT D. NULL / MICKIE POTTER
300 NORTH MERIDIAN STREET
SUITE 2400
INDIANAPOLIS, IN 46204
Assignment: 5
Reel/Frame:035192/0148   Pages: 4
Recorded: 03/18/2015
Attorney Dkt #:2012P13146
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ST PIERRE, ANDREAS
Exec Dt:
03/02/2015
2
STEFFENS, CHRISTIAN
Exec Dt:
03/02/2015
3
SAEUBERLICH, MATTHIAS
Exec Dt:
03/02/2015
Assignee
1
SIEMENS AKTIENGESELLSCHAFT
WITTELSBACHERPLATZ 2
MUENCHEN, GERMANY D-80333
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9720481
US20150241948
14428428
Correspondence name and address
LERNER GREENBERG STEMER LLP
P.O. BOX 2480
HOLLYWOOD, FL 33022-2480
Assignment: 6
Reel/Frame:035214/0507   Pages: 12
Recorded: 03/20/2015
Attorney Dkt #:074023-0603-US-524126
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAUE, JOERG
Exec Dt:
03/06/2015
2
STEFFENS, CHRISTIAN
Exec Dt:
03/10/2015
3
KRAUSE, JENS
Exec Dt:
03/12/2015
4
WERSHOFEN, STEFAN
Exec Dt:
03/11/2015
5
KILIAN, WERNER
Exec Dt:
03/06/2015
6
SEEKAMP, MARC
Exec Dt:
03/09/2015
7
RUHLAND, MATTHIAS
Exec Dt:
03/11/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9272988
US20150246873
14429866
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 7
Reel/Frame:046074/0086   Pages: 6
Recorded: 06/13/2018
Attorney Dkt #:BMS121096PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARRAS, JÜRGEN
Exec Dt:
12/11/2017
2
BUSCH, JAN
Exec Dt:
12/11/2017
3
STEFFENS, CHRISTIAN
Exec Dt:
12/11/2017
4
WASTIAN, DIETMAR
Exec Dt:
01/11/2018
5
KELLER-KILLEWALD, MANFRED
Exec Dt:
12/05/2017
6
CONZELMANN, HOLGER
Exec Dt:
05/18/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10112892
US20180179150
15736485
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:045388/0521   Pages: 3
Recorded: 03/29/2018
Attorney Dkt #:BMS131101PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUSCH, JAN
Exec Dt:
12/11/2017
2
ARRAS, JÜRGEN
Exec Dt:
01/04/2018
3
STEFFENS, CHRISTIAN
Exec Dt:
12/21/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10815193
US20180186729
15736427
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:053912/0226   Pages: 9
Recorded: 09/29/2020
Attorney Dkt #:2016P30183US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
10/13/2019
2
SPRIEWALD, JUERGEN
Exec Dt:
12/18/2019
3
HIELSCHER, ANKE
Exec Dt:
08/05/2020
4
MICHELE, VOLKER
Exec Dt:
10/15/2019
5
WASTIAN, DIETMAR
Exec Dt:
12/20/2019
6
STEFFENS, CHRISTIAN
Exec Dt:
08/29/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10875827
US20200148630
16677752
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:054123/0224   Pages: 7
Recorded: 10/21/2020
Attorney Dkt #:2016P30182US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
10/13/2019
2
STEFFENS, CHRISTIAN
Exec Dt:
08/29/2020
3
HIELSCHER, ANKE
Exec Dt:
09/01/2020
4
WASTIAN, DIETMAR
Exec Dt:
10/11/2019
5
SPRIEWALD, JUERGEN
Exec Dt:
08/18/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10851048
US20200148629
16677744
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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