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 : HERWIG, JENS
Total Assignments: 11
Assignment: 1
Reel/Frame:003963/0535   Pages: 1
Recorded: 12/02/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERWIG, JENS
Exec Dt:
11/20/1981
2
SCHLEPPINGHOFF, BERNHARD
Exec Dt:
11/20/1981
3
SCHEEF, HANS-VOLKER
Exec Dt:
11/20/1981
Assignee
1
EC ERDOLCHEMIE GMBH, A GERMAN CORP.
KOELN-WORRINGEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4371725
NONE
06326646
Correspondence name and address
SPRUNG, FELFE, HORN,
LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004012/0551   Pages: 1
Recorded: 06/04/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERWIG, JENS
Exec Dt:
05/19/1982
2
SCHULWITZ, BRUNO
Exec Dt:
05/19/1982
3
SCHLEPPINGHOFF, BERNHARD
Exec Dt:
05/19/1982
4
SCHEEF, HANS-VOLKER
Exec Dt:
05/21/1982
5
LANGE, PETER M.
Exec Dt:
05/21/1982
Assignees
1
EC ERDOLCHEMIE GMBH
A CORP. OF GERMANY
KOELN, GERMANY
2
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4409421
NONE
06385225
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004613/0532   Pages: 1
Recorded: 10/01/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERWIG, JENS
Exec Dt:
09/26/1986
2
NORENBERG, HAGEN
Exec Dt:
09/26/1986
3
BERGMANN, FRIEDHELM
Exec Dt:
09/26/1986
4
STILLER, MANFRED
Exec Dt:
09/26/1986
5
SCHLEMMERMEYER, HORST
Exec Dt:
09/26/1986
6
SCHMIDT, WILFRIED
Exec Dt:
09/26/1986
7
STRAUBE, HILMAR
Exec Dt:
09/26/1986
8
WOLTER, HELMUT
Exec Dt:
09/26/1986
Assignee
1
EC ERDOLCHEMIE GMBH, A GERMAN CORP
KOELN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4712434
NONE
06914104
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004801/0362   Pages: 1
Recorded: 08/14/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WANICZEK, HELMUT
Exec Dt:
07/29/1987
2
BARTL, HERBERT
Exec Dt:
07/29/1987
3
HERWIG, JENS
Exec Dt:
07/27/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4783515
NONE
07085146
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 5
Reel/Frame:005114/0604   Pages: 1
Recorded: 10/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERWIG, JENS
Exec Dt:
10/04/1988
2
BURGDORFER, HANS-HERIBERT
Exec Dt:
10/04/1988
3
WOLTJES, DIETER
Exec Dt:
10/06/1988
Assignees
1
EC ERDOLCHEMIE GMBH
KOELN-WORRINGEN, GERMANY
2
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4910046
NONE
07262554
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005192/0682   Pages: 1
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OBRECHT, WERNER
Exec Dt:
11/21/1989
2
SZENTIVANYI, SZOLT
Exec Dt:
11/21/1989
3
SUTTER, HUBERT
Exec Dt:
11/21/1989
4
HERWIG, JENS
Exec Dt:
11/24/1989
5
KOLWERT, ALOIS
Exec Dt:
11/24/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5036149
NONE
07448504
Correspondence name and address
CONNOLLY & HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 7
Reel/Frame:005767/0435   Pages: 2
Recorded: 07/03/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HERWIG, JENS
Exec Dt:
04/23/1991
2
STUWE, ARND
Exec Dt:
04/17/1991
3
GRUB, JOACHIM
Exec Dt:
04/19/1991
Assignee
1
EC ERDOLCHEMIE GMBH A CORP. OF GERMANY
KOELN 71, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5091093
NONE
07725708
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 8
Reel/Frame:006530/0235   Pages: 2
Recorded: 04/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BEUKE, BRIGITTE
Exec Dt:
04/02/1993
2
HERWIG, JENS
Exec Dt:
03/10/1993
3
NEEB, ERNST-FRIEDRICH
Exec Dt:
04/06/1993
4
PARIS, NIKOLAUS
Exec Dt:
04/02/1993
Assignee
1
EC ERDOLCHEMIE GMBH
KOELN 17
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5378668
NONE
08046045
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
WILLIAM C. GERSTENZANG
1140 AVE. OF THE AMERICAS
NEW YORK CITY, NY 10036
Assignment: 9
Reel/Frame:008877/0320   Pages: 3
Recorded: 10/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERWIG, JENS
Exec Dt:
10/04/1997
2
BISTER, HANS-JURGEN
Exec Dt:
10/06/1997
3
STUWE, ARND
Exec Dt:
10/08/1997
Assignee
1
EC ERDOLCHEMIE GMBH
ALTE STRASSE 201
D 50769 KOLN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5789643
NONE
08960910
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
MR. WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 10
Reel/Frame:009826/0480   Pages: 2
Recorded: 03/05/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STUWE, ARND
Exec Dt:
02/11/1999
2
WURTZ, ROLF DIETER (DECEASED); CO-BENEFICIARIES: HELENE MARIA WURTZ, NEE PAUL (MOTHER) AND PETER WURTZ (BROTHER)
Exec Dt:
02/12/1999
3
MULLER, MICHAEL
Exec Dt:
02/16/1999
4
HERWIG, JENS
Exec Dt:
02/24/1999
5
GABEL, CHRISTIAN
Exec Dt:
02/24/1999
6
JOACHIM GRUB.
Exec Dt:
02/24/1999
Assignee
1
EC ERDOLCHEMIC GMBH
ALTE STRASSE 201
D-50769 KOLN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6264799
NONE
09264145
Correspondence name and address
CONNOLLY AND HUTZ
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 11
Reel/Frame:010184/0238   Pages: 2
Recorded: 08/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STUWE, ARND
Exec Dt:
07/22/1999
2
LINNEMANN, JURGEN
Exec Dt:
07/22/1999
3
HERWIG, JENS
Exec Dt:
07/26/1999
4
GABEL, CHRISTIAN
Exec Dt:
07/22/1999
5
HOHMANN, BERND
Exec Dt:
07/22/1999
6
GRUB, JOACHIM
Exec Dt:
07/22/1999
Assignee
1
EC ERDOLCHEMIE GMBH
ALTE STRASSE 201
D-50769 KOLN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6175049
NONE
09375896
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
ALLAN N. KUTZENCO
1220 MARKET STREET
P.O. BOX 2207
WILMINGTON, DE 19899

Search Results as of: 05/17/2024 01:59 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