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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : BAYER AKTEINGESELLSCHAFT
Total Assignments: 17
Assignment: 1
Reel/Frame:004584/0937   Pages: 1
Recorded: 07/24/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JELICH, KLAUS
Exec Dt:
07/14/1986
2
BRANDES, WILHELM
Exec Dt:
07/14/1986
3
HANSSLER, GERD
Exec Dt:
07/14/1986
4
REINECKE, PAUL
Exec Dt:
07/14/1986
Assignee
1
BAYER AKTEINGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4767775
NONE
06890245
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:006112/0914   Pages: 2
Recorded: 05/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
03/31/1992
2
KREUDER, HANS-JOACHIM
Exec Dt:
04/02/1992
3
PEDAIN, JOSEF
Exec Dt:
03/30/1992
Assignee
1
BAYER AKTEINGESELLSCHAFT
A CORPORTION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5280072
NONE
07879251
Correspondence name and address
THOMAS W. ROY
MILES INC.
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:006189/0186   Pages: 2
Recorded: 07/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FINDEISEN, KURT
Exec Dt:
04/29/1992
2
KUHNT, DIETMAR
Exec Dt:
05/04/1992
3
MULLER, KLAUS-HELMUT
Exec Dt:
05/04/1992
4
KONIG, KLAUS
Exec Dt:
05/04/1992
5
SANTEL, HANS-JOACHIM
Exec Dt:
05/04/1992
6
LURSSEN, KLAUS
Exec Dt:
05/04/1992
7
SCHMIDT, ROBERT R.
Exec Dt:
05/04/1992
Assignee
1
BAYER AKTEINGESELLSCHAFT
A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5266555
NONE
07911450
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:006715/0502   Pages: 2
Recorded: 09/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GESING, ERNST R.F.
Exec Dt:
07/26/1993
2
SANTEL, HANS-JOACHIM
Exec Dt:
07/27/1993
3
LURSSEN, KLAUS
Exec Dt:
07/29/1993
4
SCHMIDT, ROBERT R.
Exec Dt:
08/16/1993
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTE KONZERN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5430006
NONE
08124919
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG, ET AL.
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 5
Reel/Frame:007344/0234   Pages: 2
Recorded: 01/20/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STELZER, UWE
Exec Dt:
11/18/1994
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNZERTRALE RP, PATENTE KONZERN
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5698735
NONE
08375871
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN, ESQ.
660 WHITE PLAINS ROAD
FOURTH FLOOR
TARRYTOWN, NY 10591-5144
Assignment: 6
Reel/Frame:007350/0403   Pages: 600
Recorded: 02/09/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AHRENS, WOLFGANG
Exec Dt:
12/23/1994
2
HARTMANN, GEORG
Exec Dt:
01/09/1995
3
WEIKERT, GUNNAR
Exec Dt:
01/16/1995
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNZENTRALE RP
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5651067
NONE
08385862
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMER & WOODS
FOURTH FLOOR
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 7
Reel/Frame:008160/0905   Pages: 3
Recorded: 09/18/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAETZ, KLAUS-CHRISTIAN
Exec Dt:
07/08/1996
2
FIEGE, HELMUT
Exec Dt:
07/08/1996
3
KISSENER, WOLFRAM
Exec Dt:
07/29/1996
Assignee
1
BAYER AKTEINGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5741936
NONE
08710474
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 8
Reel/Frame:008891/0363   Pages: 3
Recorded: 01/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
URBAHNS, KLAUS
Exec Dt:
10/11/1996
2
HEINE, HANS-GEORG
Exec Dt:
10/10/1996
3
JUNGE, BOBO
Exec Dt:
10/14/1996
4
SCHOHE-LOOP, RUDOLF
Exec Dt:
10/10/1996
5
SOMMERMEYER, HENNING
Exec Dt:
10/17/1996
6
GLASER, THOMAS
Exec Dt:
10/07/1996
7
WITTKA, REILINDE
Exec Dt:
10/07/1996
8
DE VRY, JEAN-MARIE VIKTOR
Exec Dt:
10/10/1996
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNZENTRALE RP, PATENTE KONZERN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5756515
NONE
08776215
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
MARK W. RUSSELL
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 9
Reel/Frame:008317/0679   Pages: 3
Recorded: 11/22/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DARSOW, GERHARD
Exec Dt:
10/14/1996
2
PETRUCK, GERD-MICHAEL
Exec Dt:
10/11/1996
3
NIEMEIR, WILFRIED
Exec Dt:
10/15/1996
Assignee
1
BAYER AKTEINGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5705700
NONE
08755512
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
ATTN: WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 10
Reel/Frame:008722/0875   Pages: 2
Recorded: 06/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUREK, GERALD
Exec Dt:
05/15/1997
2
PEDAIN, JOSEF
Exec Dt:
05/16/1997
3
HALPAAP, REINHARD
Exec Dt:
05/16/1997
4
SONNTAG, MICHAEL
Exec Dt:
05/22/1997
Assignee
1
BAYER AKTEINGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5821326
NONE
08883478
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:008971/0641   Pages: 3
Recorded: 02/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DIEHR, HANS JOACHIM
Exec Dt:
06/10/1997
2
LANTZSCH, REINHARD
Exec Dt:
06/10/1997
3
APPLEGATE, JACQUELINE M.
Exec Dt:
06/18/1997
4
JELICH, KLAUS
Exec Dt:
06/18/1997
Assignees
1
BAYER CORPORATION
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
2
BAYER AKTEINGESELLSCHAFT
PATENT DEPARTMENT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5756752
NONE
08842585
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:010004/0997   Pages: 2
Recorded: 10/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERTEN, THOMAS
Exec Dt:
09/21/1998
2
THOMAS, HELGA
Exec Dt:
09/15/1998
3
HOCKER, HARTWIG
Exec Dt:
09/15/1998
Assignee
1
BAYER AKTEINGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6103068
NONE
09171345
Correspondence name and address
BAYER CORPORATION
NOLAND J. CHEUNG
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:010412/0192   Pages: 2
Recorded: 10/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STARZEWSKI, KARL-HEINZ A.O.
Exec Dt:
08/06/1999
2
KELLY, WARREN MARK
Exec Dt:
09/03/1999
Assignee
1
BAYER AKTEINGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6423659
NONE
09402263
Correspondence name and address
BAYER CORPORATION
NOLAND J. CHEUNG
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:011155/0631   Pages: 5
Recorded: 09/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOLLE, ANDREAS
Exec Dt:
07/13/2000
2
ANTONICEK, HORST-PETER
Exec Dt:
06/05/2000
3
LENSKY, STEPHEN
Exec Dt:
06/09/2000
4
VOERSTE, ARND
Exec Dt:
06/14/2000
5
MULLER, THOMAS
Exec Dt:
06/08/2000
6
BAUMGARTEN, JORG
Exec Dt:
06/05/2000
7
VON DEM BRUCH, KARSTEN
Exec Dt:
06/30/2000
8
MULLER, GERHARD
Exec Dt:
06/05/2000
9
STROPP, UDO
Exec Dt:
06/29/2000
10
HORVATH, ERVIN
Exec Dt:
06/24/2000
11
DE VRY, JEAN-MARIE-VIKTOR
Exec Dt:
06/27/2000
12
SCHREIBER, RUDY
Exec Dt:
06/19/2000
Assignee
1
BAYER AKTEINGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6376539
NONE
09600395
Correspondence name and address
BAYER CORPORATION
JEFFREY M. GREENMAN
VICE PRESIDENT, PATENTS AND LICENSING
400 MORGAN
WEST HAVEN, CT 06516
Assignment: 15
Reel/Frame:011312/0946   Pages: 2
Recorded: 11/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMING, KLAUS
Exec Dt:
10/12/2000
2
MEZLER, MARIO
Exec Dt:
10/05/2000
3
MULLER, THOMAS
Exec Dt:
10/16/2000
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNBEREICH RP
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6794149
NONE
09715962
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
100 BAYER ROAD, PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:011883/0878   Pages: 2
Recorded: 05/30/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DIETZ, WOLFGANG
Exec Dt:
03/31/2001
Assignee
1
BAYER AKTEINGESELLSCHAFT
KONZERNBEREICH RP
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020001256
09870005
Correspondence name and address
BAYER CORPORATION
DIDERICO VAN EYL
PATENT DEAPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 17
Reel/Frame:012017/0172   Pages: 2
Recorded: 07/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAAS, HANS-JOSEF
Exec Dt:
06/18/2001
2
HALPAAP, REINHARD
Exec Dt:
06/18/2001
3
MAGER, DIETER
Exec Dt:
06/19/2001
Assignee
1
BAYER AKTEINGESELLSCHAFT
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6444778
US20020028930
09906194
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH PA 15205-9741

Search Results as of: 05/01/2024 10:13 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