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Patent Assignment Assignor Details
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Assignor Name : NEFZGER, HARTMUT, DR.
Total Assignments: 11
Assignment: 1
Reel/Frame:021202/0610   Pages: 2
Recorded: 07/08/2008
Attorney Dkt #:15778*171
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
05/30/2008
2
BARNES, JAMES-MICHAEL
Exec Dt:
06/13/2008
3
SCHMIDT, MANFRED, DR.
Exec Dt:
05/30/2008
4
KRAUSE, JENS, DR.
Exec Dt:
05/30/2008
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8273846
US20090018256
12168957
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ, LLP
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:031343/0280   Pages: 4
Recorded: 10/04/2013
Attorney Dkt #:2923343-052000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT, DR.
Exec Dt:
03/26/2013
2
JACOBS, GUNDOLF, DR.
Exec Dt:
03/26/2013
3
MEYER-AHRENS, SVEN, DR.
Exec Dt:
04/02/2013
4
NEFZGER, HARTMUT, DR.
Exec Dt:
04/02/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130237624
13880331
Correspondence name and address
MILES & STOCKBRIDGE P.C.
1751 PINNACLE DRIVE
SUITE 500
TYSONS CORNER, VA 22102
Assignment: 3
Reel/Frame:031194/0009   Pages: 5
Recorded: 09/12/2013
Attorney Dkt #:2923343-068000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
06/05/2013
2
BAUER, ERIKA
Exec Dt:
06/04/2013
3
KLESCZEWSKI, BERT, DR.
Exec Dt:
06/07/2013
4
SCHLOSSMACHER, JURGEN
Exec Dt:
06/13/2013
5
MYER-AHRENS, SVEN, DR.
Exec Dt:
06/11/2013
6
SCHMIDT, MANFRED, DR.
Exec Dt:
06/11/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20130345330
13988311
 
NONE
US20130345330
13988311
Correspondence name and address
MILES & STOCKBRIDGE, P.C.
1751 PINNACLE DRIVE
SUITE 500
TYSONS CORNER, VA 22102-3833
Assignment: 4
Reel/Frame:047248/0664   Pages: 3
Recorded: 10/22/2018
Attorney Dkt #:170710PCTUS/BMS131107PCTU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER ZU BERSTENHORST, BIRGIT, DR.
Exec Dt:
10/09/2017
2
PFEUFFER, UWE
Exec Dt:
10/10/2017
3
NIEDERELZ, HEIKE
Exec Dt:
10/09/2017
4
NEFZGER, HARTMUT, DR.
Exec Dt:
10/09/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180134836
15570214
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 5
Reel/Frame:051117/0306   Pages: 14
Recorded: 11/26/2019
Attorney Dkt #:190626PCTUS/2017P30048WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILKEN, PERSEFONI
Exec Dt:
10/15/2019
2
LINDNER, STEFAN, DR.
Exec Dt:
10/15/2019
3
NEFZGER, HARTMUT, DR.
Exec Dt:
10/16/2019
4
ALBACH, ROLF, DR.
Exec Dt:
10/11/2019
5
WEHLAU, ANTJE
Exec Dt:
09/16/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200087438
16616796
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 6
Reel/Frame:052669/0703   Pages: 14
Recorded: 05/15/2020
Attorney Dkt #:200089PCTUS/2017P30129WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
01/14/2020
2
HILKEN, PERSEFONI
Exec Dt:
01/23/2020
3
MEURESCH, MARKUS, DR.
Exec Dt:
01/09/2020
4
WOLF, AUREL, DR.
Exec Dt:
01/09/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11352462
US20200392276
16764211
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 7
Reel/Frame:052669/0115   Pages: 8
Recorded: 05/15/2020
Attorney Dkt #:200090PCTUS/2017P30128WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
02/08/2020
2
HILKEN, PERSEFONI
Exec Dt:
01/23/2020
3
RAUWALD, URS, DR.
Exec Dt:
01/10/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11434321
US20200392277
16764219
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 8
Reel/Frame:054360/0102   Pages: 7
Recorded: 11/13/2020
Attorney Dkt #:200874PCTUS/2018P30058WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
08/14/2020
2
KNAUP, HARALD
Exec Dt:
08/18/2020
3
NORWIG, JOCHEN, DR.
Exec Dt:
08/14/2020
4
LAEMMERHOLD, KAI, DR.
Exec Dt:
08/17/2020
5
HOFMANN, JOERG, DR.
Exec Dt:
08/18/2020
6
LORENZ, KLAUS, DR.
Exec Dt:
08/14/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210171426
17055288
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
PITTSBURGH, PA 15222-2613
Assignment: 9
Reel/Frame:056658/0353   Pages: 3
Recorded: 06/24/2021
Attorney Dkt #:210172PCTUS/2018P30161WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT, DR.
Exec Dt:
12/21/2020
2
MARBACH, JAKOB
Exec Dt:
01/05/2021
3
KNAUP, HARALD
Exec Dt:
12/23/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220112172
17417604
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 10
Reel/Frame:057963/0437   Pages: 9
Recorded: 10/29/2021
Attorney Dkt #:210357PCTUS/2019P30053WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAEMMERHOLD, KAI, DR.
Exec Dt:
06/18/2021
2
HOFMANN, JOERG, DR.
Exec Dt:
06/16/2021
3
HILKEN, PERSEFONI
Exec Dt:
06/17/2021
4
WELSCH, NICOLE, DR.
Exec Dt:
06/16/2021
5
NEFZGER, HARTMUT, DR.
Exec Dt:
06/16/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220227928
17607256
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 11
Reel/Frame:058359/0369   Pages: 7
Recorded: 12/10/2021
Attorney Dkt #:210396PCTUS/2019P30054WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG, DR.
Exec Dt:
07/15/2021
2
LAEMMERHOLD, KAI, DR.
Exec Dt:
07/15/2021
3
HILKEN, PERSEFONI
Exec Dt:
07/15/2021
4
WELSCH, NICOLE, DR.
Exec Dt:
07/15/2021
5
NEFZGER, HARTMUT, DR.
Exec Dt:
07/15/2021
Assignees
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220315698
17618054
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613

Search Results as of: 05/28/2024 08:23 AM
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Web interface last modified: August 25, 2017 v.2.6
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