skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : KISCHKEWITZ, JURGEN
Total Assignments: 19
Assignment: 1
Reel/Frame:005238/0296   Pages: 1
Recorded: 01/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUROW, WILFRIED
Exec Dt:
01/12/1990
2
KISCHKEWITZ, JURGEN
Exec Dt:
01/12/1990
3
SCHLAK, OTTFRIED
Exec Dt:
01/12/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5035748
NONE
07440619
Correspondence name and address
RICHARD S. BARTH
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:005354/0197   Pages: 2
Recorded: 06/18/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOLLE, BERND-MICHAEL
Exec Dt:
06/01/1990
2
BEUMER, PETER
Exec Dt:
06/01/1990
3
BRAUN, ROLF M.
Exec Dt:
06/01/1990
4
RIECK, HILMAR
Exec Dt:
06/01/1990
5
KISCHKEWITZ, JURGEN
Exec Dt:
06/01/1990
6
WIEDERHOFT, GERHARD
Exec Dt:
06/01/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5174817
NONE
07539759
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:005930/0842   Pages: 2
Recorded: 11/07/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHON, NORBERT
Exec Dt:
09/19/1991
2
BUYSCH, HANS-JOSEF
Exec Dt:
09/23/1991
3
ZIRNGIEBL, EBERHARD
Exec Dt:
09/23/1991
4
KISCHKEWITZ, JURGEN
Exec Dt:
09/19/1991
Assignee
1
BAYER AKTIENGESELLSCHAFT A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5354923
NONE
07788959
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:006798/0331   Pages: 3
Recorded: 12/07/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIKSITS, MICHAEL
Exec Dt:
11/26/1993
2
TIBURTIUS, CHRISTOPH
Exec Dt:
11/22/1993
3
KISCHKEWITZ, JURGEN
Exec Dt:
11/23/1993
4
BUTJE, KAI
Exec Dt:
11/23/1993
5
WARTH, ALBRECHT
Exec Dt:
11/24/1993
6
HERZIG, FRANZ
Exec Dt:
11/24/1993
7
LANGNER, ROLAND
Exec Dt:
12/02/1993
Assignees
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D-51368
2
HAARMANN & REIMER GMBH
HOLZMINDEN, GERMANY D-37601
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5527519
NONE
08164251
Correspondence name and address
CONNOLLY AND HUTZ
ASHLEY I. PEZZNER
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 5
Reel/Frame:008612/0836   Pages: 2
Recorded: 06/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRAUN, ROLF-MICHAEL
Exec Dt:
04/03/1997
2
KISCHKEWITZ, JURGEN
Exec Dt:
04/14/1997
3
RIECK, HILMAR
Exec Dt:
04/07/1997
4
HOLTMANN, UDO
Exec Dt:
04/25/1997
Assignee
1
BAYER AG
PATENTE UND LIZENZEN
KONZERNBEREICH RPN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5792250
NONE
08868354
Correspondence name and address
CONNOLLY AND HUTZ
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 6
Reel/Frame:012615/0992   Pages: 2
Recorded: 02/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
11/16/2001
2
BAILLY, PETER
Exec Dt:
11/19/2001
3
KISCHKEWITZ, JURGEN
Exec Dt:
11/19/2001
4
ROHBOCK, KLAUS
Exec Dt:
11/19/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D-513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020053547
09962887
Correspondence name and address
BAYER CORP.
THOMAS W. ROY
PATENT DEPT.
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:021344/0959   Pages: 2
Recorded: 08/06/2008
Attorney Dkt #:MO6603D/LEA34430
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
11/16/2001
2
BAILLY, PETER
Exec Dt:
11/19/2001
3
KISCHKEWITZ, JURGEN
Exec Dt:
11/19/2001
4
ROHBOCK, KLAUS
Exec Dt:
11/19/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7767001
US20080271600
12217641
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 8
Reel/Frame:012620/0125   Pages: 2
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
11/30/2001
2
KISCHKEWITZ, JURGEN
Exec Dt:
11/30/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020077249
09962971
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:021345/0055   Pages: 2
Recorded: 08/06/2008
Attorney Dkt #:MO6606D/LEA35338D
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
11/30/2001
2
KISCHKEWITZ, JURGEN
Exec Dt:
11/30/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7811360
US20080271601
12218017
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 10
Reel/Frame:012623/0323   Pages: 2
Recorded: 02/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
12/05/2001
2
BAILLY, PETER
Exec Dt:
12/04/2001
3
KISCHKEWITZ, JURGEN
Exec Dt:
12/05/2001
4
ROHBOCK, KLAUS
Exec Dt:
12/07/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020074292
09962972
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:021345/0111   Pages: 2
Recorded: 08/06/2008
Attorney Dkt #:MO6605D/LEA35335
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLEGEL, ANDREAS
Exec Dt:
12/05/2001
2
BAILLY, PETER
Exec Dt:
12/04/2001
3
KISCHKEWITZ, JURGEN
Exec Dt:
12/05/2001
4
ROHBOCK, KLAUS
Exec Dt:
12/07/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7942953
US20080272054
12218016
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 12
Reel/Frame:021106/0132   Pages: 2
Recorded: 06/17/2008
Attorney Dkt #:P001 00235
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
04/11/2008
2
KISCHKEWITZ, JURGEN
Exec Dt:
04/11/2008
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080289538
12151634
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 13
Reel/Frame:021661/0787   Pages: 2
Recorded: 10/07/2008
Attorney Dkt #:P001 00155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOGER
Exec Dt:
09/17/2008
2
KISCHKEWITZ, JURGEN
Exec Dt:
09/23/2008
3
BUCHNER, GERALD
Exec Dt:
09/17/2008
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7931745
US20090064904
12296209
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 14
Reel/Frame:024040/0800   Pages: 3
Recorded: 03/08/2010
Attorney Dkt #:P001 00346
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
02/22/2010
2
KUNSTMANN, HERBERT
Exec Dt:
02/23/2010
3
CHLOPEK, KRZYSZTOF
Exec Dt:
02/24/2010
4
KISCHKEWITZ, JURGEN
Exec Dt:
02/19/2010
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100154680
12544300
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
LAW & INTELLECTUAL PROPERTY DEPT.
PITTSBURGH, PA 15275-1112
Assignment: 15
Reel/Frame:031948/0343   Pages: 10
Recorded: 01/13/2014
Attorney Dkt #:P001 00538
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHLOPEK, KRZYSZTOF
Exec Dt:
08/15/2013
2
KISCHKEWITZ, JURGEN
Exec Dt:
08/13/2013
3
KOHNERT, LUTZ
Exec Dt:
08/13/2013
4
INDEN, HOLGER
Exec Dt:
08/21/2013
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-50679
COLOGNE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140069298
13997439
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 16
Reel/Frame:032891/0528   Pages: 4
Recorded: 05/13/2014
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF NAME OF ASSIGNOR JURGEN KISCHKEWITZ PREVIOUSLY RECORDED ON REEL 032062 FRAME 0699. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
CHLOPEK, KRZYSZTOF
Exec Dt:
11/14/2013
2
KISCHKEWITZ, JURGEN
Exec Dt:
11/13/2013
3
KOHNERT, LUTZ
Exec Dt:
11/14/2013
4
INDEN, HOLGER
Exec Dt:
01/15/2013
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-50679
COLOGNE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9090774
US20140083330
13997465
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 17
Reel/Frame:042539/0763   Pages: 8
Recorded: 05/31/2017
Attorney Dkt #:P001 00882USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CZAPLIK, WALDEMAR
Exec Dt:
03/29/2017
2
KETTELER, GUIDO
Exec Dt:
03/30/2017
3
KISCHKEWITZ, JURGEN
Exec Dt:
03/30/2017
Assignee
1
LANXESS DEUTSCHLAND GMBH
KENNEDYPLATZ 1
COLOGNE, GERMANY 50569
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10479893
US20170292024
15507808
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 18
Reel/Frame:042557/0310   Pages: 8
Recorded: 06/01/2017
Attorney Dkt #:P001 00883USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CZAPLIK, WALDEMAR
Exec Dt:
04/21/2017
2
KETTELER, GUIDO
Exec Dt:
03/30/2017
3
KISCHKEWITZ, JURGEN
Exec Dt:
03/30/2017
Assignee
1
LANXESS DEUTSCHLAND GMBH
KENNEDYPLATZ 1
COLOGNE, GERMANY 50569
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170267544
15508158
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 19
Reel/Frame:042767/0316   Pages: 8
Recorded: 06/12/2017
Attorney Dkt #:P001 00886USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CZAPLIK, WALDEMAR
Exec Dt:
03/30/2017
2
KISCHKEWITZ, JURGEN
Exec Dt:
03/30/2017
3
SPIEGELHAUER, STEPHAN
Exec Dt:
03/30/2017
Assignee
1
LANXESS DEUTSCHLAND GMBH
KENNEDYPLATZ 1
COLOGNE, GERMANY 50569
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10563066
US20170253745
15510312
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112

Search Results as of: 05/28/2024 07:47 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT