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Patent Assignment Assignor Details
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Assignor Name : ALFF, HARALD
Total Assignments: 14
Assignment: 1
Reel/Frame:006192/0954   Pages: 3
Recorded: 07/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GOEBEL, THOMAS
Exec Dt:
06/23/1992
2
MICHEL, RUDOLF
Exec Dt:
06/24/1992
3
ALFF, HARALD
Exec Dt:
06/24/1992
4
KARL, JOSEF
Exec Dt:
06/26/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT A GERMAN CORP.
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5314533
NONE
07902882
Correspondence name and address
BEVERIDGE, DEGRANDI & WEILACHER
ROBERT G. WEILACHER
FEDERAL BAR BUILDING WEST
1819 H STREET, N.W., STE. 1100
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:013377/0480   Pages: 3
Recorded: 10/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUMACHER, KAI
Exec Dt:
08/12/2002
2
MANGOLD, HELMUT
Exec Dt:
09/05/2002
3
HASENZAHL, STEFFEN
Exec Dt:
09/03/2002
4
ALFF, HARALD
Exec Dt:
08/12/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1, DE-40474
DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6773814
US20030104198
10212741
Correspondence name and address
OBLON SPIVAK ET AL
1755 J. DAVIS HWY
4TH FL.
ARLINGTON VA 22202
Assignment: 3
Reel/Frame:013756/0987   Pages: 3
Recorded: 10/10/2002
Conveyance: CORECTIVE ASSIGNMENT, PREVIOUSLY RECORDED AT REEL 013377, FRAME 0480.
Assignors
1
SCHUMACHER, KAI
Exec Dt:
08/12/2002
2
MANGOLD, HELMUT
Exec Dt:
09/05/2002
3
HASENZAHL, STEFFEN
Exec Dt:
09/03/2002
4
ALFF, HARALD
Exec Dt:
08/12/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6773814
US20030104198
10212741
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:019465/0276   Pages: 8
Recorded: 06/21/2007
Attorney Dkt #:309609US0XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUMACHER, KAI
Exec Dt:
04/02/2007
2
MOERTERS, MARTIN
Exec Dt:
04/10/2007
3
FLESCH, JUERGEN
Exec Dt:
03/23/2007
4
VON TWISTERN, MARCUS
Exec Dt:
05/08/2007
5
HAMM, VOLKER
Exec Dt:
04/11/2007
6
SCHMITT, MATTHIAS
Exec Dt:
05/02/2007
7
ALFF, HARALD
Exec Dt:
03/04/2007
8
SCHILLING, ROLAND
Exec Dt:
04/03/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8197791
US20090272937
11722268
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:019480/0498   Pages: 4
Recorded: 06/26/2007
Attorney Dkt #:309574US0XPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUMACHER, KAI
Exec Dt:
04/26/2007
2
SCHILLING, ROLAND
Exec Dt:
05/02/2007
3
ALFF, HARALD
Exec Dt:
05/02/2007
4
ROTH, HELMUT
Exec Dt:
05/02/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7658907
US20080096755
11722782
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:020862/0639   Pages: 4
Recorded: 04/28/2008
Attorney Dkt #:319377US0X PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHUMACHER, KAI
Exec Dt:
02/12/2008
2
GOLCHERT, RAINER
Exec Dt:
02/20/2008
3
ROTH, HELMUT
Exec Dt:
02/21/2008
4
ALFF, HARALD
Exec Dt:
02/25/2008
5
ROCHNIA, MATTHIAS
Exec Dt:
02/29/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STR. 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8535633
US20080311291
12091767
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:034870/0848   Pages: 7
Recorded: 02/02/2015
Attorney Dkt #:446902US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATUSIC, STIPAN
Exec Dt:
01/06/2015
2
ALFF, HARALD
Exec Dt:
01/29/2015
3
ALBERS, PETER
Exec Dt:
01/06/2015
4
HERZOG, HARALD
Exec Dt:
01/06/2015
5
KRESS, PETER
Exec Dt:
01/06/2015
Assignee
1
EVONIK INDUSTRIES AG
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10204723
US20150213927
14418989
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:042494/0053   Pages: 14
Recorded: 05/24/2017
Attorney Dkt #:503761US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATUSIC, STIPAN
Exec Dt:
05/17/2017
2
KRESS, PETER
Exec Dt:
05/17/2017
3
ALFF, HARALD
Exec Dt:
05/17/2017
4
WIEGAND, ARMIN
Exec Dt:
05/17/2017
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170275166
15529326
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:044497/0225   Pages: 17
Recorded: 12/28/2017
Attorney Dkt #:510132US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATUSIC, STIPAN
Exec Dt:
09/15/2017
2
KRESS, PETER
Exec Dt:
09/22/2017
3
ALFF, HARALD
Exec Dt:
09/12/2017
4
RENGER, TOBIAS
Exec Dt:
09/12/2017
5
WIEGAND, ARMIN
Exec Dt:
09/12/2017
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10384940
US20180194627
15740392
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:047247/0092   Pages: 17
Recorded: 10/21/2018
Attorney Dkt #:7601/18072
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATUSIC, STIPAN
Exec Dt:
06/04/2018
2
KRESS, PETER
Exec Dt:
06/01/2018
3
ALFF, HARALD
Exec Dt:
05/30/2018
4
WIEGAND, ARMIN
Exec Dt:
05/29/2018
5
HAGEMANN, MICHAEL
Exec Dt:
06/06/2018
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200230703
16072467
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 11
Reel/Frame:050897/0825   Pages: 17
Recorded: 11/02/2019
Attorney Dkt #:7601/19042
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRESS, PETER
Exec Dt:
01/04/2019
2
KATUSIC, STIPAN
Exec Dt:
01/03/2019
3
WIEGAND, ARMIN
Exec Dt:
01/04/2019
4
ALFF, HARALD
Exec Dt:
01/10/2019
5
HAGEMANN, MICHAEL
Exec Dt:
01/03/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11434146
US20190352189
16476274
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 12
Reel/Frame:059222/0870   Pages: 8
Recorded: 03/10/2022
Attorney Dkt #:541325US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHÄFER, DURDU
Exec Dt:
01/19/2022
2
WIEGAND, ARMIN
Exec Dt:
01/18/2022
3
ALFF, HARALD
Exec Dt:
01/20/2022
4
TAKATA, RYO
Exec Dt:
01/18/2022
5
SCHMIDT, FRANZ
Exec Dt:
02/08/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220336841
17641925
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:059223/0643   Pages: 8
Recorded: 03/10/2022
Attorney Dkt #:541341US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHÄFER, DURDU
Exec Dt:
01/18/2022
2
WIEGAND, ARMIN
Exec Dt:
01/17/2022
3
ALFF, HARALD
Exec Dt:
01/20/2022
4
TAKATA, RYO
Exec Dt:
01/17/2022
5
SCHMIDT, FRANZ
Exec Dt:
01/17/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220306485
17641960
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:062894/0157   Pages: 6
Recorded: 03/06/2023
Attorney Dkt #:EVK-0004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKATA, RYO
Exec Dt:
10/28/2022
2
WIEGAND, ARMIN
Exec Dt:
10/28/2022
3
ALFF, HARALD
Exec Dt:
10/28/2022
4
SCHMIDT, FRANZ
Exec Dt:
10/31/2022
5
ESKEN, DANIEL
Exec Dt:
10/28/2022
6
HERZOG, MARCEL
Exec Dt:
11/25/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230357012
18024886
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN-AEW
2200 CLARENDON BLVD
SUITE 1400
ARLINGTON, VA 22201

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