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Patent Assignment Assignor Details
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Assignor Name : KRECZINSKI, MANFRED
Total Assignments: 24
Assignment: 1
Reel/Frame:013058/0087   Pages: 3
Recorded: 06/26/2002
Conveyance: INVALID ASSIGNMENT. SEE RECORDING AT REEL 013155 FRAME 700. ( RE-RECORDED TO CORRECT THE RECORDATION DATE FROM 6-26-02 TO 6-27-02)
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/14/2002
2
KRECZINSKI, MANFRED
Exec Dt:
06/14/2002
3
LOMOELDER, RAINER
Exec Dt:
06/14/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6703471
US20030009054
10180016
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND & ET AL
KIRSTEN A. GRUENEBERG, PH.D.
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 2
Reel/Frame:013155/0700   Pages: 3
Recorded: 06/27/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/14/2002
2
KRECZINSKI, MANFRED
Exec Dt:
06/14/2002
3
LOMOELDER, RAINER
Exec Dt:
06/14/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6703471
US20030009054
10180016
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:015048/0925   Pages: 3
Recorded: 03/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
01/20/2004
2
KRECZINSKI, MANFRED
Exec Dt:
01/20/2004
3
ELM, RAINER
Exec Dt:
01/20/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040176562
10792864
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:015714/0225   Pages: 3
Recorded: 08/20/2004
Attorney Dkt #:249951US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/09/2004
2
KRECZINSKI, MANFRED
Exec Dt:
06/09/2004
3
ELM, RAINER
Exec Dt:
06/09/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
06/09/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7329776
US20050043562
10921934
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:015938/0857   Pages: 3
Recorded: 10/29/2004
Attorney Dkt #:250255USO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
09/28/2004
2
KRECZINSKI, MANFRED
Exec Dt:
09/28/2004
3
ELM, RAINER
Exec Dt:
09/28/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
09/28/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7339074
US20050043563
10922910
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:015939/0078   Pages: 3
Recorded: 10/29/2004
Attorney Dkt #:251028US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
10/04/2004
2
KRECZINSKI, MANFRED
Exec Dt:
10/04/2004
3
ELM, RAINER
Exec Dt:
10/04/2004
4
MICHALCZAK, HANS-WERNER
Exec Dt:
10/04/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1, D-40474
DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7307186
US20050043561
10917463
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:016455/0570   Pages: 3
Recorded: 04/07/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUCK, STEPHAN
Exec Dt:
01/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
01/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
01/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7557242
US20050250960
11100603
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:017078/0228   Pages: 4
Recorded: 10/11/2005
Conveyance: CORRECTED FORM PTO-1595 TO CORRECT ASSIGNOR # 1"S NAME PREVIOUSLY RECORDED ON REEL 016455 FRAME 0570
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
01/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
01/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
01/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7557242
US20050250960
11100603
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:016462/0367   Pages: 3
Recorded: 04/08/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
02/16/2005
2
KRECZINSKI, MANFRED
Exec Dt:
02/16/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
02/16/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7420080
US20050267310
11101428
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:016801/0583   Pages: 3
Recorded: 07/21/2005
Attorney Dkt #:268280US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLSTRUK, STEPHAN
Exec Dt:
06/22/2005
2
KRECZINSKI, MANFRED
Exec Dt:
06/22/2005
3
MICHALCZAK, HANS-WERNER
Exec Dt:
06/22/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474, DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7371891
US20060025626
11185776
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:022887/0613   Pages: 10
Recorded: 06/29/2009
Attorney Dkt #:342050US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MICHALCZAK, HANS-WERNER
Exec Dt:
04/14/2009
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/14/2009
3
KRECZINSKI, MANFRED
Exec Dt:
04/15/2009
4
GRUND, GERDA
Exec Dt:
04/15/2009
5
LOMOELDER, RAINER
Exec Dt:
04/17/2009
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8816125
US20100036154
12519795
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:024996/0306   Pages: 10
Recorded: 09/16/2010
Attorney Dkt #:366004US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRUND, GERDA
Exec Dt:
06/22/2010
2
KRECZINSKI, MANFRED
Exec Dt:
06/18/2010
3
KOHLSTRUK, STEPHAN
Exec Dt:
06/21/2010
4
LETTMANN, CHRISTIAN
Exec Dt:
06/18/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8536370
US20110028755
12922280
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:024840/0148   Pages: 6
Recorded: 08/16/2010
Attorney Dkt #:364869US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRUND, GERDA
Exec Dt:
06/22/2010
2
KRECZINSKI, MANFRED
Exec Dt:
06/22/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8389770
US20100312014
12867168
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:024828/0406   Pages: 6
Recorded: 08/12/2010
Attorney Dkt #:364647US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
06/30/2010
2
GRUND, GERDA
Exec Dt:
06/30/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8822726
US20100317893
12866833
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:035321/0438   Pages: 7
Recorded: 04/02/2015
Attorney Dkt #:450362US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPYROU, EMMANOUIL
Exec Dt:
02/05/2015
2
KRECZINSKI, MANFRED
Exec Dt:
01/23/2015
3
LOESCH, HOLGER
Exec Dt:
02/16/2015
4
THESING, ANDREA
Exec Dt:
02/22/2015
5
HELLKUHL, LARS
Exec Dt:
01/26/2015
Assignee
1
EVONIK INDUSTRIES AG
RELLINGHAUSER STRASSEE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9593135
US20150274760
14433186
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 16
Reel/Frame:037690/0014   Pages: 4
Recorded: 02/09/2016
Attorney Dkt #:461530US106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
11/30/2015
2
JANSEN, ROBERT
Exec Dt:
01/27/2016
3
WOYCIECHOWSKI, MATTHIAS
Exec Dt:
01/29/2016
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10144662
US20160152496
14951117
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 17
Reel/Frame:041400/0001   Pages: 6
Recorded: 02/28/2017
Attorney Dkt #:477904US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, YUE
Exec Dt:
11/04/2016
2
KRECZINSKI, MANFRED
Exec Dt:
12/01/2016
3
MAIER, MARTIN
Exec Dt:
11/10/2016
4
WOYCIECHOWSKI, MATTHIAS
Exec Dt:
01/27/2017
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9994472
US20170107133
15296421
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 18
Reel/Frame:041320/0396   Pages: 6
Recorded: 02/21/2017
Attorney Dkt #:480178US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, YUE
Exec Dt:
12/20/2016
2
KRECZINSKI, MANFRED
Exec Dt:
12/20/2016
3
MAIER, MARTIN
Exec Dt:
12/21/2016
4
WOYCIECHOWSKI, MATTHIAS
Exec Dt:
01/05/2017
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170166464
15373949
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 19
Reel/Frame:047650/0351   Pages: 23
Recorded: 10/15/2018
Attorney Dkt #:000604US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPYROU, EMMANOUIL
Exec Dt:
08/28/2018
2
KRECZINSKI, MANFRED
Exec Dt:
07/26/2018
3
UNKELHAEUSSER, TOBIAS
Exec Dt:
08/14/2018
4
NAUMANN, SABINE
Exec Dt:
07/31/2018
5
LOESCH, HOLGER
Exec Dt:
07/30/2018
6
EWALD, MARION
Exec Dt:
08/02/2018
7
WEIHRAUCH, THOMAS
Exec Dt:
08/06/2018
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10351579
US20180327432
15771227
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 20
Reel/Frame:049357/0238   Pages: 30
Recorded: 04/03/2019
Attorney Dkt #:000607US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPYROU, EMMANOUIL
Exec Dt:
03/01/2019
2
UNKELHÄUSSER, TOBIAS
Exec Dt:
02/27/2019
3
NAUMANN, SABINE
Exec Dt:
02/26/2019
4
KRECZINSKI, MANFRED
Exec Dt:
03/01/2019
5
LOESCH, HOLGER
Exec Dt:
03/01/2019
6
MEIER, ALINA
Exec Dt:
02/26/2019
7
KOREK, UWE
Exec Dt:
02/27/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10538684
US20180312713
15770733
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 21
Reel/Frame:048800/0217   Pages: 14
Recorded: 04/05/2019
Attorney Dkt #:060042-00306
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
04/02/2019
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/01/2019
3
SPYROU, EMMANOUIL
Exec Dt:
04/03/2019
4
HOPPE, DIRK
Exec Dt:
04/01/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10626131
US20190300549
16354349
Correspondence name and address
NEXSEN PRUET PLLC
227 W. TRADE STREET, SUITE 1550
CHARLOTTE, NC 28202
Assignment: 22
Reel/Frame:048800/0285   Pages: 14
Recorded: 04/05/2019
Attorney Dkt #:060042-00307
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
04/02/2019
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/01/2019
3
SPYROU, EMMANOUIL
Exec Dt:
04/03/2019
4
HOPPE, DIRK
Exec Dt:
04/01/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10633401
US20190300550
16354753
Correspondence name and address
NEXSEN PRUET PLLC
227 W. TRADE STREET, SUITE 1550
CHARLOTTE, NC 28202
Assignment: 23
Reel/Frame:048800/0374   Pages: 14
Recorded: 04/05/2019
Attorney Dkt #:060042-00311
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
04/02/2019
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/01/2019
3
HOPPE, DIRK
Exec Dt:
04/01/2019
4
SPYROU, EMMANOUIL
Exec Dt:
04/03/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10669293
US20190300553
16356081
Correspondence name and address
NEXSEN PRUET PLLC
227 W. TRADE STREET, SUITE 1550
CHARLOTTE, NC 28202
Assignment: 24
Reel/Frame:048800/0570   Pages: 14
Recorded: 04/05/2019
Attorney Dkt #:060042-00310
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KRECZINSKI, MANFRED
Exec Dt:
04/02/2019
2
KOHLSTRUK, STEPHAN
Exec Dt:
04/01/2019
3
SPYROU, EMMANOUIL
Exec Dt:
04/03/2019
4
HOPPE, DIRK
Exec Dt:
04/01/2019
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10611782
US20190300551
16356026
Correspondence name and address
NEXSEN PRUET PLLC
227 W. TRADE STREET, SUITE 1550
CHARLOTTE, NC 28202

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