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 : BURKHARDT, WERNER
Total Assignments: 16
Assignment: 1
Reel/Frame:005697/0334   Pages: 3
Recorded: 05/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOCK, WOLFGANG
Exec Dt:
03/25/1991
2
ARNTZ, DIETRICH
Exec Dt:
04/06/1991
3
PRESCHER, GUENTER
Exec Dt:
04/29/1991
4
BURKHARDT, WERNER
Exec Dt:
05/07/1991
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
A CORPORATION OF THE FED. REP. OF GERMANY
WEISSFRAUEN-STRASSE 9
FRANKFURT AM MAIN, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5082819
NONE
07581702
Correspondence name and address
ROBERT G. WEILAHER
FEDERAL BAR BUILDING WEST
1819 H STREET, N.W., STE. 1100
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:005715/0580   Pages: 3
Recorded: 05/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOECK, WOLFGANG
Exec Dt:
03/25/1991
2
ARNTZ, DIETRICH
Exec Dt:
04/06/1991
3
PRESCHER, GUENTER
Exec Dt:
04/29/1991
4
BURKHARDT, WERNER
Exec Dt:
05/07/1991
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
A CORPORATION OF THE FED. REP. OF GERMANY
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5072052
NONE
07581696
Correspondence name and address
3ROBERT G. WEILACHER
BEVERIDGE, DEGRANDI & WEILACHER
FEDERAL BAR BUILDING WEST
1819 H STREET, N.W., STE. 1100
WASHINGTON, D.C. 20006
Assignment: 3
Reel/Frame:009259/0163   Pages: 3
Recorded: 01/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAUER, JOERG
Exec Dt:
08/09/1997
2
BOECK, WOLFGANG
Exec Dt:
08/07/1997
3
VON HIPPEL, LUKAS
Exec Dt:
07/29/1997
4
BURKHARDT, WERNER
Exec Dt:
08/04/1997
5
RAUTENBERG, STEPHAN
Exec Dt:
08/07/1997
6
ARNTZ, DIETRICH
Exec Dt:
09/15/1997
7
HOFEN, WILLI
Exec Dt:
09/02/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5852219
NONE
08885045
Correspondence name and address
BEVERIDGE, DEGRANDI ET AL.
1850 M STREET, N.W.
SUITE 800
WASHINGTON, D.C. 20036
Assignment: 4
Reel/Frame:009381/0023   Pages: 3
Recorded: 08/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAUER, JORG
Exec Dt:
05/12/1998
2
HAAS, THOMAS
Exec Dt:
05/13/1998
3
KELLER, BRUNO
Exec Dt:
05/25/1998
4
FREUND, ANDREAS
Exec Dt:
05/15/1998
5
BURKHARDT, WERNER
Exec Dt:
05/15/1998
6
MICHELCHEN, DIETRICH
Exec Dt:
05/15/1998
7
BERWEILER, MONIKA
Exec Dt:
05/15/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6337300
NONE
09081568
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER ET AL
ROBERT G. WEILACHER
1850 M STREET, N.W.
SUITET 800
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:011960/0574   Pages: 4
Recorded: 07/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BURKHARDT, WERNER
Exec Dt:
06/18/2001
Assignee
1
FESTO AG & CO.
RUITER STRASSE 82
73734 ESSLINGEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6583435
US20020024033
09897669
Correspondence name and address
HOFFMANN & BARON, LLP
CHARLES R. HOFFMANN, ESQ.
6900 JERICHO TURNPIKE
SYOSSET, NY 11791
Assignment: 6
Reel/Frame:012988/0566   Pages: 4
Recorded: 04/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURKHARDT, WERNER
Exec Dt:
03/08/2002
2
GERHARTZ, JURGEN
Exec Dt:
03/08/2002
Assignee
1
FESTO AG & CO
RUITER STRASSE 82
73734 ESSLINGEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6892763
US20020148520
10089970
Correspondence name and address
HOFFMANN & BARON LLP
CHARLES R. HOFFMANN ESQ
6900 JERICHO TURNPIKE
SYOSSET, NEW YORK 11791
Assignment: 7
Reel/Frame:014547/0648   Pages: 3
Recorded: 10/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAUER, JORG
Exec Dt:
09/05/2003
2
HAAS, THOMAS
Exec Dt:
09/10/2003
3
KELLER, BRUNO
Exec Dt:
09/10/2003
4
FREUND, ANDREAS
Exec Dt:
08/29/2003
5
BURKHARDT, WERNER
Exec Dt:
09/02/2003
6
MICHELCHEN, DIETRICH
Exec Dt:
09/12/2003
7
BERWEILER, MONIKA
Exec Dt:
08/29/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040072686
09988390
Correspondence name and address
SMITH, GAMBRELL & RUSSELL
ROBERT G. WEILACHER
PROMENADE II, SUITE 3100
1230 PEACHTREE STREET, NE
ATLANTA, GA 30309
Assignment: 8
Reel/Frame:014570/0877   Pages: 3
Recorded: 10/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOCHNIOL, GUIDO
Exec Dt:
09/05/2003
2
JAEGER, BERND
Exec Dt:
09/25/2003
3
HAAS, THOMAS
Exec Dt:
09/16/2003
4
FINKE, NORBERT
Exec Dt:
09/08/2003
5
BURKHARDT, WERNER
Exec Dt:
09/18/2003
6
GRUNERT, JUERGEN
Exec Dt:
09/24/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7030052
US20040034252
10449772
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:016644/0918   Pages: 3
Recorded: 08/17/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, ACHIM
Exec Dt:
07/21/2005
2
BURKHARDT, WERNER
Exec Dt:
07/27/2005
3
BARTH, JAN-OLAF
Exec Dt:
07/27/2005
4
WECKBECKER, CHRISTOPH
Exec Dt:
07/22/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1, DE-40474
DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050281717
11138428
Correspondence name and address
PILLSBURY WINTHROP SHAW ET AL.
1600 TYSONS BOULEVARD
MCLEAN, VIRGINIA 22102
Assignment: 10
Reel/Frame:016511/0662   Pages: 3
Recorded: 09/09/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, ACHIM
Exec Dt:
08/08/2005
2
BURKHARDT, WERNER
Exec Dt:
08/22/2005
3
HUTHMACHER, KLAUS
Exec Dt:
08/15/2005
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY DE-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7874064
US20060016068
11185330
Correspondence name and address
ROBERT G. WEILACHER, ESQ.
1230 PEACHTREE STREET, N.E.
SUITE 3100, PROMENADE II
ATLANTA, GA 30309-3592
Assignment: 11
Reel/Frame:018062/0608   Pages: 13
Recorded: 07/03/2006
Attorney Dkt #:287296US3X
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARTH, JAN-OLAF
Exec Dt:
06/12/2006
2
FISCHER, ACHIM
Exec Dt:
05/31/2006
3
BOCK, WOLFANG
Exec Dt:
06/09/2006
4
BURKHARDT, WERNER
Exec Dt:
05/31/2006
5
WECKBECKER, CHRISTOPH
Exec Dt:
06/02/2006
6
HUTHMACHER, KLAUS
Exec Dt:
05/31/2006
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060243342
11399451
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & ET AL
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:018330/0452   Pages: 14
Recorded: 09/19/2006
Attorney Dkt #:287296US3X
Conveyance: CORRECTED COVER SHEET TO CORRECT THE NAME OF ASSIGNOR #3, PREVIOUSLY RECORDED AT REEL/FRAME 018062/0608 (ASSIGNMENT OF ASSIGNOR'S INTEREST)
Assignors
1
BARTH, JAN-OLAF
Exec Dt:
06/12/2006
2
FISCHER, ACHIM
Exec Dt:
05/31/2006
3
BOECK, WOLFGANG
Exec Dt:
06/09/2006
4
BURKHARDT, WERNER
Exec Dt:
05/31/2006
5
WECKBECKER, CHRISTOPH
Exec Dt:
06/02/2006
6
HUTHMACHER, KLAUS
Exec Dt:
05/31/2006
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060243342
11399451
Correspondence name and address
C. IRVIN MCCLELLAND
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:019907/0666   Pages: 6
Recorded: 10/02/2007
Attorney Dkt #:5003073.072US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BALDUF, TORSTEN, DR.
Exec Dt:
08/09/2006
2
BURKHARDT, WERNER
Exec Dt:
07/03/2006
3
STOCHNIOL, GUIDO, DR.
Exec Dt:
06/30/2006
4
DE OLIVEIRA, ARMIN LANGE, DR.
Exec Dt:
07/11/2007
Assignee
1
STOCKHAUSEN GMBH
BAKERPFAD 25
KREFELD, GERMANY 47805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060276334
10566453
Correspondence name and address
MARY GARNER
SMITH MOORE LLP
300 N. GREENE ST., SUITE 1400
GREENSBORO, NC 27401
Assignment: 14
Reel/Frame:021001/0054   Pages: 8
Recorded: 05/27/2008
Attorney Dkt #:032301.535
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, ACHIM
Exec Dt:
02/14/2008
2
BURKHARDT, WERNER
Exec Dt:
02/14/2008
3
WECKBECKER, CHRISTOPH
Exec Dt:
02/07/2008
4
HUTHMACHER, KLAUS
Exec Dt:
02/10/2008
5
WILZ, FRANK
Exec Dt:
04/03/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8008227
US20090030230
12091116
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
1230 PEACHTREE STREET, NE
SUITE 3100, PROMENADE II
ATLANTA, GA 30309
Assignment: 15
Reel/Frame:022147/0059   Pages: 7
Recorded: 01/23/2009
Attorney Dkt #:021123-0371563
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHER, ACHIM
Exec Dt:
10/23/2008
2
BURKHARDT, WERNER
Exec Dt:
10/23/2008
3
BARTH, JAN-OLAF
Exec Dt:
10/30/2008
4
WECKBECKER, CHRISTOPH
Exec Dt:
10/24/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090308138
12278927
Correspondence name and address
THOMAS A. CAWLEY JR., PH.D.
PILLSBURY WINTHROP SHAW PITTMAN LLP
1650 TYSONS BLVD
MCLEAN, VA 22102
Assignment: 16
Reel/Frame:023436/0263   Pages: 7
Recorded: 10/28/2009
Attorney Dkt #:032301.629
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISCHER, ACHIM
Exec Dt:
03/11/2009
2
BURKHARDT, WERNER
Exec Dt:
03/26/2009
3
RODER, STEFAN
Exec Dt:
03/17/2009
4
HUTHMACHER, KLAUS
Exec Dt:
03/11/2009
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100324331
12528407
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
1230 PEACHTREE STREET, N.E.
SUITE 3100, PROMENADE II
ATLANTA, GA 30309

Search Results as of: 05/14/2024 05:03 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