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 : DAWIDOWSKI, DIRK
Total Assignments: 13
Assignment: 1
Reel/Frame:012722/0224   Pages: 3
Recorded: 03/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEISS, WILFRIED
Exec Dt:
02/07/2002
2
DAWIDOWSKI, DIRK
Exec Dt:
02/22/2002
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6492561
US20020151752
10057781
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 2
Reel/Frame:012919/0670   Pages: 3
Recorded: 05/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEISS, WILFRIED
Exec Dt:
04/22/2002
2
DAWIDOWSKI, DIRK
Exec Dt:
04/22/2002
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6756024
US20020188158
10091383
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 3
Reel/Frame:012959/0173   Pages: 3
Recorded: 06/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWIDOWSKI, DIRK
Exec Dt:
05/14/2002
2
EMMEL, UTE
Exec Dt:
05/14/2002
3
WEISS, WILFRIED
Exec Dt:
05/13/2002
4
WIETELMANN, ULRICH
Exec Dt:
05/13/2002
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6646169
NONE
10111829
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NEW YORK 10103
Assignment: 4
Reel/Frame:013692/0817   Pages: 3
Recorded: 01/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EMMEL, UTE
Exec Dt:
08/08/2002
2
WEISS, WILFRIED
Exec Dt:
08/09/2002
3
WIETELMANN, ULRICH
Exec Dt:
08/08/2002
4
DAWIDOWSKI, DIRK
Exec Dt:
08/09/2002
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030155665
10202996
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
ATTY. DKT.: CHEMMT-210-US
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 5
Reel/Frame:014781/0202   Pages: 4
Recorded: 12/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWIDOWSKI, DIRK
Exec Dt:
08/26/2003
2
DEBBELER, BERNHARD
Exec Dt:
08/26/2003
3
EMMEL, UTE
Exec Dt:
08/26/2003
4
PLEYER, WALTER
Exec Dt:
08/26/2003
5
WEISS, WILFRIED
Exec Dt:
08/26/2003
Assignee
1
CHEMETALL GMBH
TRAKENHER STRASSE 3
D-60487 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6994838
US20040136900
10627596
Correspondence name and address
FULBRIGHT & JAWORSKI LLP
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 6
Reel/Frame:018426/0178   Pages: 6
Recorded: 10/23/2006
Attorney Dkt #:DNAG-324 (10810397)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEISS, WILFRIED
Exec Dt:
09/20/2006
2
DAWIDOWSKI, DIRK
Exec Dt:
09/19/2006
3
PLEYER, WALTER
Exec Dt:
09/27/2006
4
KRUCKEL, FRANK
Exec Dt:
09/18/2006
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070152354
10589715
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 7
Reel/Frame:021999/0818   Pages: 4
Recorded: 12/17/2008
Attorney Dkt #:DNAG-361-US(10810698)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HABER, STEFFEN
Exec Dt:
12/09/2008
2
HAUK, DIETER
Exec Dt:
12/09/2008
3
WIETELMANN, ULRICH
Exec Dt:
11/12/2008
4
DAWIDOWSKI, DIRK
Exec Dt:
12/09/2008
5
RITTMEYER, PETER
Exec Dt:
12/12/2008
6
RODER, JENS
Exec Dt:
12/10/2008
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3.
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9534001
US20090173914
12279724
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 8
Reel/Frame:024284/0112   Pages: 3
Recorded: 04/23/2010
Attorney Dkt #:DNAG 416-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODER, JENS
Exec Dt:
04/08/2010
2
DAWIDOWSKI, DIRK
Exec Dt:
04/12/2010
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100204507
12674779
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 9
Reel/Frame:024346/0894   Pages: 4
Recorded: 05/06/2010
Attorney Dkt #:DNAG-415-US(11000395)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWIDOWSKI, DIRK
Exec Dt:
04/14/2010
2
WIETELMANN, ULRICH
Exec Dt:
04/13/2010
3
RITTMEYER, PETER
Exec Dt:
04/16/2010
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8318987
US20100185025
12669223
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 10
Reel/Frame:035129/0236   Pages: 4
Recorded: 03/10/2015
Attorney Dkt #:CMTG.P0106US # 11318362
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTMEYER, PETER
Exec Dt:
09/11/2014
2
WIETELMANN, ULRICH
Exec Dt:
09/12/2014
3
LISCHKA, UWE
Exec Dt:
09/11/2014
4
HAUK, DIETER
Exec Dt:
09/12/2014
5
FÜGER, BERNHARD
Exec Dt:
09/15/2014
6
STOLL, ARMIN
Exec Dt:
09/19/2014
7
DAWIDOWSKI, DIRK
Exec Dt:
09/11/2014
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9017582
US20140084224
14119980
Correspondence name and address
NORTON ROSE FULBRIGHT US LLP
666 FIFTH AVENUE
JAMES R. CRAWFORD
NEW YORK, NY 10103
Assignment: 11
Reel/Frame:040955/0632   Pages: 10
Recorded: 01/12/2017
Attorney Dkt #:OZ-14001-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTMEYER, PETER
Exec Dt:
11/18/2016
2
WILLEMS, JOHANNES
Exec Dt:
11/18/2016
3
HAUK, DIETER
Exec Dt:
11/18/2016
4
LISCHKA, UWE
Exec Dt:
11/18/2016
5
KIEFER, FLORIAN
Exec Dt:
12/05/2016
6
DAWIDOWSKI, DIRK
Exec Dt:
11/18/2016
Assignee
1
ROCKWOOD LITHIUM GMBH
INDUSTRIEPARK HÖCHST, GEBÄUDE G 879
FRANKFURT AM MAIN, GERMANY 65926
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10144651
US20160326007
15109489
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801-1765
Assignment: 12
Reel/Frame:055900/0821   Pages: 13
Recorded: 04/13/2021
Attorney Dkt #:105705.0102/OZ-18001-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWIDOWSKI, DIRK
Exec Dt:
01/14/2021
2
HÖRBERG, ANNIKA
Exec Dt:
01/27/2021
3
LISCHKA, UWE
Exec Dt:
02/22/2021
4
SCHMIDT, THERESA
Exec Dt:
01/21/2021
5
KLÖSENER, JOHANNES
Exec Dt:
01/12/2021
6
WIETELMANN, ULRICH
Exec Dt:
01/13/2021
7
RITTMEYER, PETER
Exec Dt:
01/13/2021
8
SCHNIPPERING, STEFAN, DR.
Exec Dt:
03/22/2021
Assignee
1
ALBEMARLE GERMANY GMBH
INDUSTRIEPARK HÖCHST, GEBÄUDE G879
FRANKFURT AM MAIN, GERMANY 65926
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210371435
17258842
Correspondence name and address
ALBEMARLE GERMANY GMBH
INDUSTRIEPARK HÖCHST, GEBÄUDE G879
FRANKFURT AM MAIN, 65926 GERMANY
Assignment: 13
Reel/Frame:062815/0713   Pages: 5
Recorded: 02/27/2023
Attorney Dkt #:OZ-20001-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIETELMANN, ULRICH
Exec Dt:
02/20/2023
2
DAWIDOWSKI, DIRK
Exec Dt:
02/14/2023
Assignee
1
ALBEMARLE GERMANY GMBH
INDUSTRIEPARK HOECHST, GEBAEUDE G 879
FRANKFURT AM MAIN, GERMANY 65926
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230220555
18007607
Correspondence name and address
ALBEMARLE CORPORATION
4250 CONGRESS STREET
SUITE 900
CHARLOTTE, NC 28209-4615

Search Results as of: 05/16/2024 05:22 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