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 : LEUTNER, BERND
Total Assignments: 25
Assignment: 1
Reel/Frame:003946/0715   Pages: 1
Recorded: 02/02/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KVEITNER, LUDWIG
Exec Dt:
01/17/1980
2
LEUTNER, BERND
Exec Dt:
01/17/1980
3
SCHLIMPER, HANS-ULRICH
Exec Dt:
01/17/1980
4
ROTH, DIETER
Exec Dt:
01/17/1980
5
SPAHN, HEINRICH
Exec Dt:
01/17/1980
6
SPAHN, HEINRICH
Exec Dt:
01/17/1980
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4336234
NONE
06119957
Correspondence name and address
KEIL & WITHERSPOON
1101 CONN. AVE., N.W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004021/0669   Pages: 1
Recorded: 07/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BLANCK, KLAUS
Exec Dt:
09/23/1981
2
DETHLEFSEN, WINFRIED
Exec Dt:
09/23/1981
3
JUNGBAUER, ANTON
Exec Dt:
09/23/1981
4
LEUTNER, BERND
Exec Dt:
09/23/1981
5
SCHIER, ERNST-JUERGEN
Exec Dt:
09/23/1981
6
SCHLIMPER, HANS-ULRICH
Exec Dt:
09/23/1981
7
SCHNEEHAGE, HANS H.
Exec Dt:
09/23/1981
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4360504
NONE
06307669
Correspondence name and address
KEIL & WITHERSPOON
1101 CONNECTICUT AVE. N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004102/0761   Pages: 1
Recorded: 03/10/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEUTNER, BERND
Exec Dt:
11/10/1981
2
PURUCKER, BERNDHARD
Exec Dt:
11/10/1981
3
ROTHER, EBERHARD
Exec Dt:
11/10/1981
4
JUERGENS, GEERD F.
Exec Dt:
11/10/1981
5
WAGNER, DIETER
Exec Dt:
11/10/1981
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN,
RHEINLAND-PFALZ,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4395273
NONE
06322672
Correspondence name and address
KEIL & WITHERSPOON
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004913/0436   Pages: 1
Recorded: 07/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEUTNER, BERND
Exec Dt:
07/30/1987
2
MUELLER, BERTHOLD
Exec Dt:
07/30/1987
3
VOLKENBORN, WILHELM
Exec Dt:
07/30/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4786211
NONE
07082732
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE, N.W.,
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004991/0919   Pages: 1
Recorded: 01/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEUTNER, BERND
Exec Dt:
02/02/1988
2
REICH, HANS H.
Exec Dt:
02/02/1988
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, FED. REP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4830842
NONE
07152912
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:005013/0942   Pages: 1
Recorded: 01/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHLAEFER, DIETER
Exec Dt:
02/15/1988
2
KOCHANEK, WOLFGANG
Exec Dt:
02/15/1988
3
LEUTNER, BERND
Exec Dt:
02/15/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837002
NONE
07158745
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:005452/0335   Pages: 2
Recorded: 09/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOCHANEK, WOLFGANG
Exec Dt:
08/09/1988
2
LEUTNER, BERND
Exec Dt:
08/09/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4995950
NONE
07236446
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:005123/0673   Pages: 1
Recorded: 07/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOPPE, KLAUS-DIETER
Exec Dt:
09/14/1988
2
LEUTNER, BERND
Exec Dt:
09/14/1988
3
SCHREINER, SIEGFRIED
Exec Dt:
09/14/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4879102
NONE
07251449
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE, N. W.
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:005411/0001   Pages: 2
Recorded: 08/14/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEUTNER, BERND
Exec Dt:
08/06/1990
2
HOPPE, KLAUS-DIETER
Exec Dt:
08/06/1990
3
BEVER, PAUL
Exec Dt:
08/06/1990
4
KRAUME, MATTHIAS
Exec Dt:
08/06/1990
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, FED. REP. OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5077023
NONE
07551777
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE, NW
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:008336/0815   Pages: 2
Recorded: 01/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHNEIDER, HANS-MICHAEL
Exec Dt:
10/26/1995
2
LEUTNER, BERND
Exec Dt:
10/26/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5783161
NONE
08684910
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1001 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 11
Reel/Frame:007933/0738   Pages: 2
Recorded: 03/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KROENER, RUDI
Exec Dt:
01/08/1996
2
LEUTNER, BERND
Exec Dt:
01/08/1996
3
SCHLAEFER, DIETER
Exec Dt:
01/31/1996
4
STEINER, WOLFGANAG
Exec Dt:
01/31/1996
5
FRIEDRICH, HOLGER
Exec Dt:
01/08/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5899393
NONE
08585350
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:009269/0472   Pages: 2
Recorded: 06/22/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
04/02/1996
2
KELLER, HARALD
Exec Dt:
04/02/1996
3
LEUTNER, BERND
Exec Dt:
04/02/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
PATENTABTEILUNG ZDX-C6 CARL BOSCH STRASSE
LUDWIGSHAFEN, 67056, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5856543
NONE
08629843
Correspondence name and address
JOHN H. SHURTLEFF
140 S. DEARBORN STREET
SUITE 411
CHICAGO, IL 60603-5202
Assignment: 13
Reel/Frame:008387/0599   Pages: 2
Recorded: 01/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATZENBERGER, OTTO
Exec Dt:
11/11/1996
2
SCHNEIDER, HANS-MICHAEL
Exec Dt:
11/11/1996
3
LEUTNER, BERND
Exec Dt:
11/11/1996
4
FRIEDERANG, ALBRECHT WILHELM
Exec Dt:
11/01/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5837107
NONE
08688281
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 14
Reel/Frame:010009/0046   Pages: 3
Recorded: 04/14/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLATT, MARTIN
Exec Dt:
03/11/1997
2
GAREISS, BRIGITTE
Exec Dt:
03/11/1997
3
YAMAMOTO, MOTONORI
Exec Dt:
03/11/1997
4
FISCH, HERBERT
Exec Dt:
03/11/1997
5
NAM, MICHAEL
Exec Dt:
03/11/1997
6
HEITZ, THOMAS
Exec Dt:
03/11/1997
7
LEUTNER, BERND
Exec Dt:
03/11/1997
Assignee
1
BASF AKTIENGSELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6538054
NONE
09284414
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 15
Reel/Frame:008749/0224   Pages: 2
Recorded: 08/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
06/10/1997
2
LEUTNER, BERND
Exec Dt:
06/10/1997
3
MRONGA, NORBERT
Exec Dt:
06/10/1997
4
SCHMID, RAIMUND
Exec Dt:
06/10/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5817853
NONE
08909941
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 16
Reel/Frame:009090/0836   Pages: 3
Recorded: 03/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
11/21/1997
2
HOPPE, KLAUS-DIETER
Exec Dt:
11/21/1997
3
LEUTNER, BERND
Exec Dt:
11/21/1997
4
SCHLAEFER, DIETER
Exec Dt:
11/21/1997
5
HECKY, KURT
Exec Dt:
11/21/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5919348
NONE
08982441
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 17
Reel/Frame:008983/0186   Pages: 2
Recorded: 02/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUTNER, BERND
Exec Dt:
12/02/1997
2
FRIEDRICH, GABRIELE
Exec Dt:
12/02/1997
3
SCHLEGEL, REINHOLD
Exec Dt:
12/02/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6036742
NONE
09022674
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
Assignment: 18
Reel/Frame:008998/0589   Pages: 2
Recorded: 02/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUTNER, BERND
Exec Dt:
12/03/1997
2
FRIEDRICH, GABRIELE
Exec Dt:
12/03/1997
3
SCHLEGEL, REINHOLD
Exec Dt:
12/03/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6180235
NONE
09022672
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036
Assignment: 19
Reel/Frame:009100/0090   Pages: 2
Recorded: 04/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMON, JOACHIM
Exec Dt:
02/20/1998
2
SCHLEGEL, REINHOLD
Exec Dt:
02/20/1998
3
LEUTNER, BERND
Exec Dt:
02/20/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5993569
NONE
09060175
Correspondence name and address
KEIL & WEINKAUF
HERBERT B, KEIL
1101 CONNECTICUT AVE., NW
WASHINGTON, DC 20036
Assignment: 20
Reel/Frame:010034/0187   Pages: 3
Recorded: 06/08/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUTNER, BERND
Exec Dt:
04/27/1999
2
HANUS, FRANK
Exec Dt:
05/04/1999
3
SCHNEIDER, HANS-MICHAEL
Exec Dt:
05/04/1999
4
WATZENBERGER, OTTO
Exec Dt:
05/04/1999
5
WATZENBERGER, UWE
Exec Dt:
05/04/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6190567
NONE
09327968
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 21
Reel/Frame:010324/0451   Pages: 4
Recorded: 10/20/1999
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT AN ERROR IN THE LAST NAME OF THE FIFTH ASSIGNOR RECORDED ON REEL 010034, FRAME 0187
Assignors
1
LEUTNER, BERND
Exec Dt:
04/27/1999
2
HANUS, FRANK
Exec Dt:
05/04/1999
3
SCHNEIDER, HANS-MICHAEL
Exec Dt:
05/04/1999
4
WATZENBERGER, OTTO
Exec Dt:
05/04/1999
5
WEGMAN, UWE
Exec Dt:
05/04/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6190567
NONE
09327968
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, DC 20036
ATTN: HERBERT B. KEIL
Assignment: 22
Reel/Frame:011341/0583   Pages: 3
Recorded: 11/02/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLATT, MARTIN
Exec Dt:
05/20/1999
2
LEUTNER, BERND
Exec Dt:
05/20/1999
3
NAM, MICHAEL
Exec Dt:
05/20/1999
4
FISCH, HERBERT
Exec Dt:
05/20/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6503969
NONE
09674539
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036
Assignment: 23
Reel/Frame:010130/0871   Pages: 3
Recorded: 07/16/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
05/27/1999
2
KNEIP, MICHAEL
Exec Dt:
05/27/1999
3
LEUTNER, BERND
Exec Dt:
05/27/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6230721
NONE
09297290
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 24
Reel/Frame:010352/0155   Pages: 4
Recorded: 11/02/1999
Conveyance: TO CORRECT A SERIAL NUMBER ON REEL 010130 FRAME 0871,
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
05/27/1999
2
KNEIP, MICHAEL
Exec Dt:
05/27/1999
3
LEUTNER, BERND
Exec Dt:
05/27/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6110230
NONE
09297920
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 25
Reel/Frame:011099/0158   Pages: 2
Recorded: 08/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
08/08/2000
2
PFEFFINGER, JOACHIM
Exec Dt:
08/08/2000
3
LEUTNER, BERND
Exec Dt:
08/08/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6592832
NONE
09623110
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036

Search Results as of: 05/03/2024 03:40 AM
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