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Patent Assignment Assignor Details
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Assignor Name : STEMPFLE, FLORIAN
Total Assignments: 13
Assignment: 1
Reel/Frame:051234/0567   Pages: 9
Recorded: 12/10/2019
Attorney Dkt #:2016P30151WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
10/28/2019
2
BUESGEN, THOMAS
Exec Dt:
09/25/2019
3
EGGERT, CHRISTOPH
Exec Dt:
09/10/2019
4
LAAS, HANS-JOSEF
Exec Dt:
09/19/2019
5
STEMPFLE, FLORIAN
Exec Dt:
09/26/2019
6
LUDEWIG, MICHAEL
Exec Dt:
09/27/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200198226
16621060
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:052346/0155   Pages: 7
Recorded: 04/08/2020
Attorney Dkt #:2017P30099WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
11/21/2019
2
BUESGEN, THOMAS
Exec Dt:
12/03/2019
3
WAGNER, ROLAND
Exec Dt:
11/21/2019
4
STEMPFLE, FLORIAN
Exec Dt:
01/23/2020
5
TOMCZYK, CHRISTOPH
Exec Dt:
11/21/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11905360
NONE
16754561
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:052389/0275   Pages: 7
Recorded: 04/14/2020
Attorney Dkt #:2017P30060WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
10/15/2019
2
BUESGEN, THOMAS
Exec Dt:
10/22/2019
3
TOMCZYK, CHRISTOPH
Exec Dt:
11/15/2019
4
LUDEWIG, MICHAEL
Exec Dt:
10/22/2019
5
FAECKE, THOMAS
Exec Dt:
10/15/2019
6
WAGNER, ROLAND
Exec Dt:
10/15/2019
7
STEMPFLE, FLORIAN
Exec Dt:
01/23/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200140707
16621761
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 4
Reel/Frame:052558/0430   Pages: 8
Recorded: 05/04/2020
Attorney Dkt #:2017P30107WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
01/28/2020
2
BUESGEN, THOMAS
Exec Dt:
01/30/2020
3
WAGNER, ROLAND
Exec Dt:
01/28/2020
4
STEMPFLE, FLORIAN
Exec Dt:
01/28/2020
5
LUDEWIG, MICHAEL
Exec Dt:
02/06/2020
6
TOMCZYK, CHRISTOPH
Exec Dt:
01/30/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11007711
US20210046696
16761287
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 5
Reel/Frame:052722/0280   Pages: 8
Recorded: 05/21/2020
Attorney Dkt #:2017P30151WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
01/28/2020
2
BUESGEN, THOMAS
Exec Dt:
01/30/2020
3
WAGNER, ROLAND
Exec Dt:
01/28/2020
4
STEMPFLE, FLORIAN
Exec Dt:
01/28/2020
5
TOMCZYK, CHRISTOPH
Exec Dt:
01/30/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11384168
US20200353677
16765947
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 6
Reel/Frame:054299/0632   Pages: 22
Recorded: 11/06/2020
Attorney Dkt #:074023-0924-US-602029
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEBES, CHRISTOPH
Exec Dt:
02/11/2020
2
STEMPFLE, FLORIAN
Exec Dt:
02/11/2020
3
LAAS, HANS-JOSEF
Exec Dt:
02/11/2020
4
BAUMBACH, BEATE
Exec Dt:
02/13/2020
5
NATTKE, UTE
Exec Dt:
02/11/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11834545
US20200392278
16957061
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 7
Reel/Frame:054775/0664   Pages: 10
Recorded: 12/30/2020
Attorney Dkt #:074023-0923-US-602006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEBES, CHRISTOPH
Exec Dt:
02/11/2020
2
STEMPFLE, FLORIAN
Exec Dt:
02/25/2020
3
NATTKE, UTE
Exec Dt:
02/11/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11667746
US20200392275
16957048
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 8
Reel/Frame:054776/0407   Pages: 17
Recorded: 12/30/2020
Attorney Dkt #:074023-0925-US-602041
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEMPFLE, FLORIAN
Exec Dt:
02/25/2020
2
THIEBES, CHRISTOPH
Exec Dt:
02/11/2020
3
NATTKE, UTE
Exec Dt:
02/11/2020
4
LAAS, HANS-JOSEF
Exec Dt:
02/11/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200339729
16957070
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 9
Reel/Frame:055208/0876   Pages: 13
Recorded: 02/10/2021
Attorney Dkt #:2017P30183WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEBES, CHRISTOPH
Exec Dt:
11/02/2020
2
STEMPFLE, FLORIAN
Exec Dt:
10/14/2020
3
LORENZ, KLAUS
Exec Dt:
10/19/2020
4
NATTKE, UTE
Exec Dt:
10/13/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE T0
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11965056
US20210317253
17267530
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:055208/0935   Pages: 8
Recorded: 02/10/2021
Attorney Dkt #:2016P30174WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THIEBES, CHRISTOPH
Exec Dt:
11/02/2020
2
STEMPFLE, FLORIAN
Exec Dt:
10/14/2020
3
NATTKE, UTE
Exec Dt:
10/15/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210309793
17267524
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:054874/0564   Pages: 5
Recorded: 01/11/2021
Attorney Dkt #:2016P30101WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
12/15/2020
2
BUESGEN, THOMAS
Exec Dt:
12/15/2020
3
GOLLING, FLORIAN
Exec Dt:
12/15/2020
4
WAGNER, ROLAND
Exec Dt:
01/04/2021
5
TOMCZYK, CHRISTOPH
Exec Dt:
12/15/2020
6
TILLACK, JOERG
Exec Dt:
12/15/2020
7
EGGERT, CHRISTOPH
Exec Dt:
01/07/2021
8
LAAS, HANS-JOSEF
Exec Dt:
01/11/2021
9
STEMPFLE, FLORIAN
Exec Dt:
01/04/2021
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210054125
16463627
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 12
Reel/Frame:058134/0510   Pages: 3
Recorded: 11/17/2021
Attorney Dkt #:2019P30137WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEMPFLE, FLORIAN
Exec Dt:
08/02/2021
2
LAAS, HANS-JOSEF
Exec Dt:
07/23/2021
3
THIEBES, CHRISTOPH
Exec Dt:
08/02/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11795266
US20220204683
17611931
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:060918/0277   Pages: 33
Recorded: 07/26/2022
Attorney Dkt #:2018P30286WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
01/19/2022
2
STEMPFLE, FLORIAN
Exec Dt:
02/01/2022
3
LAEMMERHOLD, KAI
Exec Dt:
01/25/2022
4
BEUCK, SASKIA
Exec Dt:
01/17/2022
5
PIRES, RAUL
Exec Dt:
01/19/2022
6
GUERTLER, CHRISTOPH
Exec Dt:
01/17/2022
7
YUVA, NUSRET
Exec Dt:
01/30/2022
8
BORN, RALPH-GEORG
Exec Dt:
01/17/2022
9
THIEL, DANIEL
Exec Dt:
07/19/2022
10
GUDUGUNTLA, SURESHBABU
Exec Dt:
07/15/2022
11
LEITNER, WALTER
Exec Dt:
01/22/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220251280
17624763
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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