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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 : DRUMM, CHRISTIAN
Total Assignments: 14
Assignment: 1
Reel/Frame:014120/0035   Pages: 7
Recorded: 11/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, YE
Exec Dt:
09/22/2003
2
VOGLER, HARTMUT K.
Exec Dt:
05/22/2003
3
DRUMM, CHRISTIAN
Exec Dt:
05/27/2003
4
VAN DE LOO, KAJ
Exec Dt:
05/21/2003
5
LINK, CLAUDIUS
Exec Dt:
09/22/2003
Assignee
1
SAP AKTIENGESELLSCHAFT
NEUROTTSTRASSE 16
WALLDORF, GERMANY 69190
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7440940
US20040107196
10308874
Correspondence name and address
FISH & RICHARDSON
STEPHEN R. SCHAEFFER
60 SOUTH SIXTH STREET, SUITE 3300
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:016173/0516   Pages: 3
Recorded: 04/27/2005
Attorney Dkt #:18558-005001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STUHEC, GUNTHER
Exec Dt:
03/23/2005
2
DRUMM, CHRISTIAN
Exec Dt:
02/18/2005
Assignee
1
SAP AKTIENGESELLSCHAFT
NEUROTTSTRASSE 16
69190 WALLDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060218158
11088158
Correspondence name and address
FISH & RICHARDSON, P.C.
PO BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 3
Reel/Frame:017371/0450   Pages: 4
Recorded: 03/23/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMM, CHRISTIAN
Exec Dt:
03/20/2006
2
ALTENHOFEN, MICHAEL
Exec Dt:
03/20/2006
Assignee
1
SAP AG
DIETMAR-HOPP-ALLEE 16
WALLDORF 69190, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060161513
11314979
Correspondence name and address
WILLIAM G. HUGHES
BRAKE HUGHES PLC
C/O PORTFOLIOIP
P.O. BOX 52050
MINNEAPOLIS, MN 55402
Assignment: 4
Reel/Frame:018696/0589   Pages: 4
Recorded: 12/28/2006
Attorney Dkt #:2006P00273US01/0010-03800
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEMEKE, JENS
Exec Dt:
11/02/2006
2
DRUMM, CHRISTIAN
Exec Dt:
11/02/2006
3
OBERLE, DANIEL
Exec Dt:
11/02/2006
Assignee
1
SAP AG
DIETMAR-HOPP-ALLEE 16
WALLDORF 69190, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070288250
11595702
Correspondence name and address
MARGO LIVESAY
BRAKE HUGHES PLC
C/O INTELLEVATE
P.O. BOX 52050
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:018903/0685   Pages: 5
Recorded: 02/14/2007
Attorney Dkt #:2058.125US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMM, CHRISTIAN
Exec Dt:
01/08/2007
2
KUNFERMANN, PHILIPP
Exec Dt:
01/17/2007
Assignee
1
SAP AG
DIETMAR-HOPP-ALLEE 16
WALLDORF, GERMANY D-69190
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7533122
US20070143285
11635930
Correspondence name and address
ANDRE L. MARAIS
SCHWEGMAN, LUNDBERG, WOESSNER & ET AL.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 6
Reel/Frame:019425/0405   Pages: 5
Recorded: 05/30/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMM, CHRISTIAN
Exec Dt:
05/22/2007
2
QUTTEINEH, NADEEM
Exec Dt:
05/24/2007
3
WEBER, INGO
Exec Dt:
05/25/2007
Assignee
1
SAP AG
DIETMAR-HOPP-ALLEE 16
WALLDORF, GERMANY 69180
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8161460
US20080300838
11809017
Correspondence name and address
FOUNTAINHEAD LAW GROUP PC
900 LAFEYETTE STREET
SUITE 509
SANTA CLARA, CA 95050
Assignment: 7
Reel/Frame:021129/0280   Pages: 6
Recorded: 06/10/2008
Attorney Dkt #:000005-010700US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DO, HONG-HAI
Exec Dt:
05/19/2008
2
DRUMM, CHRISTIAN
Exec Dt:
05/19/2008
3
SCHMITT, MATTHIAS
Exec Dt:
05/23/2008
Assignee
1
SAP AG
DIETMAR-HOPP-ALLEE 16
WALLDORF, GERMANY 69190
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9280569
US20080281820
12116352
Correspondence name and address
FOUNTAINHEAD LAW GROUP P.C.
900 LAFAYETTE STREET
SUITE 509
SANTA CLARA, CA 95050
Assignment: 8
Reel/Frame:022437/0390   Pages: 8
Recorded: 03/23/2009
Attorney Dkt #:2058.293US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMM, CHRISTIAN
Exec Dt:
08/06/2008
2
LEMCKE, JENS
Exec Dt:
08/07/2008
3
OBERLE, DANIEL
Exec Dt:
08/11/2008
4
SUBRAMANIAN, GANAPATHY
Exec Dt:
02/02/2009
5
D K, VIVEK
Exec Dt:
01/29/2009
Assignee
1
SAP AG
DIETMAR-HOPP-ALLE 16
WALLDORF, GERMANY D-69190
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8768923
US20100031240
12181684
Correspondence name and address
ANDRE L. MARAIS
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 9
Reel/Frame:052573/0393   Pages: 5
Recorded: 05/05/2020
Attorney Dkt #:2016P30135WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMM, CHRISTIAN
Exec Dt:
10/23/2019
2
STEFFENS, FRIEDHELM
Exec Dt:
10/23/2019
3
HOFFMANN, DIETER
Exec Dt:
03/12/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10894222
US20200030712
16485492
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:052152/0305   Pages: 7
Recorded: 03/18/2020
Attorney Dkt #:2017P30086WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/13/2019
2
DRUMM, CHRISTIAN
Exec Dt:
11/13/2019
3
MORBACH, JAN
Exec Dt:
12/02/2019
4
WITKOWSKI, REINER
Exec Dt:
11/16/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10968165
US20200223787
16648366
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:054944/0582   Pages: 20
Recorded: 01/18/2021
Attorney Dkt #:2018P30082WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERKEL, MICHAEL
Exec Dt:
10/09/2020
2
WILMES, OSWALD
Exec Dt:
10/08/2020
3
DRUMM, CHRISTIAN
Exec Dt:
10/08/2020
4
WU, RUIWEN
Exec Dt:
10/26/2020
5
GROTH, STEFAN
Exec Dt:
10/26/2020
6
FAN, WENBIN
Exec Dt:
10/12/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210284787
17261073
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 12
Reel/Frame:059058/0532   Pages: 7
Recorded: 02/21/2022
Attorney Dkt #:2017P30225WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
08/01/2021
2
KALEM, MURAT
Exec Dt:
08/10/2021
3
DRUMM, CHRISTIAN
Exec Dt:
07/26/2021
4
RACOES, ALEXANDRE
Exec Dt:
08/02/2021
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
US20220162151
17602333
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:059063/0827   Pages: 9
Recorded: 02/22/2022
Attorney Dkt #:2017P30226WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
08/01/2021
2
KALEM, MURAT
Exec Dt:
08/02/2021
3
DRUMM, CHRISTIAN
Exec Dt:
07/26/2021
4
RACOES, ALEXANDRE
Exec Dt:
08/02/2021
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220169592
17602366
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:059063/0901   Pages: 16
Recorded: 02/22/2022
Attorney Dkt #:2017P30226WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNAUF, THOMAS
Exec Dt:
11/29/2021
2
KALEM, MURAT
Exec Dt:
12/17/2021
3
DRUMM, CHRISTIAN
Exec Dt:
12/08/2021
4
RACOES, ALEXANDRE
Exec Dt:
12/29/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220169592
17602366
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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