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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 : SCHWAMB, MICHAEL
Total Assignments: 15
Assignment: 1
Reel/Frame:011563/0537   Pages: 2
Recorded: 02/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POHLMANN, THOMAS
Exec Dt:
02/12/2001
2
SCHWAMB, MICHAEL
Exec Dt:
02/13/2001
Assignee
1
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
BOCKENHEIMER LANDSTRASSE 73-77
D-60325 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6709750
NONE
09701793
Correspondence name and address
ANTONELLI, TERRY, STOUT & KRAUS, LLP
ALAN E. SCHIAVELLI
1300 NORTH SEVENTEENTH STREET
SUITE 1800
ARLINGTON, VIRGINIA 22209
Assignment: 2
Reel/Frame:014139/0635   Pages: 5
Recorded: 06/06/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWAMB, MICHAEL
Exec Dt:
04/10/2003
2
WEINFURTNER, HANS
Exec Dt:
05/26/2003
3
HOLTMANN, KLAUS
Exec Dt:
05/26/2003
4
HERASIMTSCHUK, JORG
Exec Dt:
04/12/2003
5
WEITZEL, KLAUS
Exec Dt:
04/16/2003
Assignees
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY D-60487
2
WEIDEMANN UNTERNEHMENSGRUPPE HOLDING UND GESCHAFTSFUHRUNGS-GMBH
SCHOLLSTRASSE 4
BARSINGHAUSEN, GERMANY D-30890
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040023039
10380017
Correspondence name and address
FULBRIGHT & JAWORSKI LLP
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 3
Reel/Frame:015208/0732   Pages: 6
Recorded: 04/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLTMANN, KLAUS
Exec Dt:
03/29/2004
2
WEINFURTNER, HANS
Exec Dt:
03/29/2004
3
TASSREK-METZ, MARIO
Exec Dt:
03/29/2004
4
SCHWAMB, MICHAEL
Exec Dt:
03/19/2004
Assignees
1
KOMMERLING CHEMISCHE FABRIK GMBH
ZWEIBRUCKENSTRASSE 20
D-66954 PIRMASENS, GERMANY
2
WEIDEMANN UNTERNEHMENSGRUPPE HOLDING UND GESCHAFTSFUHRUNGS-GMBH
SCHOLLSTRASSE 4
D-30890 BARSINGHAUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040209053
10487397
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 4
Reel/Frame:026833/0048   Pages: 3
Recorded: 08/30/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ETTRICH, CINDY
Exec Dt:
08/03/2011
2
SCHWAMB, MICHAEL
Exec Dt:
08/01/2011
3
WASSERFALLEN, DANIEL
Exec Dt:
08/02/2011
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110212326
13128005
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 5
Reel/Frame:037871/0402   Pages: 3
Recorded: 03/02/2016
Attorney Dkt #:OZ-08071-US-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ETTRICH, CINDY
Exec Dt:
08/03/2011
2
SCHWAMB, MICHAEL
Exec Dt:
08/01/2011
3
WASSERFALLEN, DANIEL
Exec Dt:
08/01/2011
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRASSE 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160136685
15003253
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801-1765
Assignment: 6
Reel/Frame:031278/0547   Pages: 11
Recorded: 09/25/2013
Attorney Dkt #:CMTG.P0093US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
06/18/2013
2
SCHWAMB, MICHAEL
Exec Dt:
07/19/2013
3
ETTRICH, CINDY
Exec Dt:
06/03/2013
4
SOTKE, VERA
Exec Dt:
06/10/2013
5
DROLL, MARTIN
Exec Dt:
06/01/2013
6
SEEWALD, OLIVER
Exec Dt:
07/04/2013
7
BREMSER, WOLFGANG
Exec Dt:
06/06/2013
8
FRENKEL, ALIAKSANDR
Exec Dt:
06/02/2013
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9539611
US20130344310
13820686
Correspondence name and address
FULBRIGHT & JAWORSKI LLP
666 FIFTH AVENUE
JAMES R. CRAWFORD
NEW YORK, NY 10103
Assignment: 7
Reel/Frame:031283/0612   Pages: 10
Recorded: 09/25/2013
Attorney Dkt #:CMTG.P0092US #11303610
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
06/18/2013
2
SCHWAMB, MICHAEL
Exec Dt:
07/19/2013
3
ETTRICH, CINDY
Exec Dt:
06/03/2013
4
SOTKE, VERA
Exec Dt:
06/10/2013
5
DROLL, MARTIN
Exec Dt:
06/01/2013
6
SEEWALD, OLIVER
Exec Dt:
07/04/2013
7
BREMSER, WOLFGANG
Exec Dt:
06/06/2013
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9539610
US20140004266
13820591
Correspondence name and address
FULBRIGHT & JAWORSKI LLP
666 FIFTH AVENUE
JAMES R. CRAWFORD
NEW YORK, NY 10103
Assignment: 8
Reel/Frame:038319/0230   Pages: 7
Recorded: 04/19/2016
Attorney Dkt #:OZ-12048-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
08/22/2015
2
SCHWAMB, MICHAEL
Exec Dt:
08/21/2015
3
FRENKEL, ALIAKSANDR
Exec Dt:
08/21/2015
4
SOTKE, VERA
Exec Dt:
08/21/2015
5
BREMSER, WOLFGANG
Exec Dt:
04/05/2016
6
DROLL, MARTIN
Exec Dt:
08/20/2015
7
SEEWALD, OLIVER
Exec Dt:
08/25/2015
8
EILINGHOFF, RON
Exec Dt:
08/21/2015
9
GEROLD, STEPHANIE
Exec Dt:
10/20/2015
10
NIESEN, EVGENIJA
Exec Dt:
08/25/2015
11
SCHACHTSIEK, LARS
Exec Dt:
08/21/2015
12
TRAUT, MANUEL
Exec Dt:
08/21/2015
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10400135
US20150322288
14646973
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801
Assignment: 9
Reel/Frame:049765/0662   Pages: 7
Recorded: 07/16/2019
Attorney Dkt #:27843-1415 170534US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREMSER, WOLFGANG
Exec Dt:
11/02/2016
2
WASSERFALLEN, DANIEL
Exec Dt:
08/21/2015
3
SCHWAMB, MICHAEL
Exec Dt:
08/21/2015
4
FRENKEL, ALIAKSANDR
Exec Dt:
08/21/2015
5
SOTKE, VERA
Exec Dt:
08/21/2015
6
EILINGHOFF, RON
Exec Dt:
08/21/2015
7
DROLL, MARTIN
Exec Dt:
08/20/2015
8
SEEWALD, OLIVER
Exec Dt:
08/25/2015
9
NIESEN, EVGENIJA
Exec Dt:
08/25/2015
10
SCHACHTSIEK, LARS
Exec Dt:
08/21/2015
11
TRAUT, MANUEL
Exec Dt:
08/21/2015
12
GEROLD, STEPHANIE
Exec Dt:
10/20/2015
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY D-60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11261337
US20190382615
16512919
Correspondence name and address
PATENT DOCKET DEPARTMENT ARMSTRONG TEASD
7700 FORSYTH BOULEVARD
SUITE 1800
ST. LOUIS, MO 63105
Assignment: 10
Reel/Frame:043353/0364   Pages: 15
Recorded: 07/27/2017
Attorney Dkt #:OZ-13024-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
04/13/2016
2
SCHWAMB, MICHAEL
Exec Dt:
04/15/2016
3
FRENKEL, ALIAKSANDR
Exec Dt:
04/13/2016
4
SOTKE, VERA
Exec Dt:
04/13/2016
5
BREMSER, WOLFGANG
Exec Dt:
03/30/2016
6
DROLL, MARTIN
Exec Dt:
03/30/2016
7
SEEWALD, OLIVER
Exec Dt:
04/02/2016
8
EILINGHOFF, RON
Exec Dt:
04/13/2016
9
GEROLD, STEPHANIE
Exec Dt:
04/13/2016
10
NIESEN, EVGENIJA
Exec Dt:
03/30/2016
11
SCHACHTSIEK, LARS
Exec Dt:
03/31/2016
12
TRAUT, MANUEL
Exec Dt:
03/30/2016
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10093809
US20160160055
14902979
Correspondence name and address
PATENT DOCKET DEPARTMENT
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD., SUITE 1800
ST. LOUIS, MO 63105
Assignment: 11
Reel/Frame:050019/0790   Pages: 16
Recorded: 08/10/2019
Attorney Dkt #:27843-1136 (170538US01)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
04/13/2016
2
SCHWAMB, MICHAEL
Exec Dt:
04/15/2016
3
FRENKEL, ALIAKSANDR
Exec Dt:
04/13/2016
4
SOTKE, VERA
Exec Dt:
04/03/2016
5
BREMSER, WOLFGANG
Exec Dt:
03/30/2016
6
DROLL, MARTIN
Exec Dt:
03/30/2016
7
SEEWALD, OLIVER
Exec Dt:
04/07/2016
8
EILINGHOFF, RON
Exec Dt:
04/13/2016
9
GEROLD, STEPHANIE
Exec Dt:
04/13/2016
10
NIESEN, EVGENIJA
Exec Dt:
03/30/2016
11
SCHACHTSIEK, LARS
Exec Dt:
03/31/2016
12
TRAUT, MANUEL
Exec Dt:
03/30/2016
13
KLOPZIG, PHILIPP
Exec Dt:
04/13/2016
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10280513
US20160168711
14903677
Correspondence name and address
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD.
SUITE 1800
ST. LOUIS, MO 63105
Assignment: 12
Reel/Frame:050020/0510   Pages: 15
Recorded: 08/10/2019
Attorney Dkt #:27843-1293 (170537US02)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
04/13/2016
2
SCHWAMB, MICHAEL
Exec Dt:
04/15/2016
3
FRENKEL, ALIAKSANDR
Exec Dt:
04/13/2016
4
SOTKE, VERA
Exec Dt:
04/13/2016
5
BREMSER, WOLFGANG
Exec Dt:
03/30/2016
6
DROLL, MARTIN
Exec Dt:
03/30/2016
7
SEEWALD, OLIVER
Exec Dt:
04/07/2016
8
EILINGHOFF, RON
Exec Dt:
04/13/2016
9
GEROLD, STEPHANIE
Exec Dt:
04/13/2016
10
NIESEN, EVGENIJA
Exec Dt:
03/30/2016
11
SCHACHTSIEK, LARS
Exec Dt:
03/31/2016
12
TRAUT, MANUEL
Exec Dt:
03/30/2016
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190048207
16119319
Correspondence name and address
ARMSTRONG TEASDALE LLP
7700 FORSYTH BLVD.
SUITE 1800
ST. LOUIS, MO 63105
Assignment: 13
Reel/Frame:040243/0543   Pages: 17
Recorded: 11/07/2016
Attorney Dkt #:OZ-12004-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASSERFALLEN, DANIEL
Exec Dt:
10/24/2016
2
SCHWAMB, MICHAEL
Exec Dt:
09/23/2016
3
FRENKEL, ALIAKSANDR
Exec Dt:
09/20/2016
4
SOTKE, VERA
Exec Dt:
09/20/2016
5
BREMSER, WOLFGANG
Exec Dt:
09/20/2016
6
DROLL, MARTIN
Exec Dt:
09/20/2016
7
SEEWALD, OLIVER
Exec Dt:
09/20/2016
8
EILINGHOFF, RON
Exec Dt:
09/21/2016
9
GEROLD, STEPHANIE
Exec Dt:
09/20/2016
10
NIESEN, EVGENIJA
Exec Dt:
09/20/2016
11
SCHACHTSIEK, LARS
Exec Dt:
09/20/2016
12
TRAUT, MANUEL
Exec Dt:
09/20/2016
Assignee
1
CHEMETALL GMBH
TRAKEHNER STRABE 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9556523
US20150079277
14377048
Correspondence name and address
ALBEMARLE CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801-1765
Assignment: 14
Reel/Frame:041787/0716   Pages: 16
Recorded: 03/29/2017
Attorney Dkt #:OZ-14005-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EILINGHOFF, RON
Exec Dt:
03/08/2017
2
SCHWAMB, MICHAEL
Exec Dt:
03/08/2017
3
WASSERFALLEN, DANIEL
Exec Dt:
02/22/2017
4
FRENKEL, ALIAKSANDR
Exec Dt:
02/22/2017
5
SOTKE, VERA
Exec Dt:
02/23/2017
6
GEROLD, STEPHANIE
Exec Dt:
02/22/2017
7
BREMSER, WOLFGANG
Exec Dt:
02/22/2017
8
SEEWALD, OLIVER
Exec Dt:
02/22/2017
9
DROLL, MARTIN
Exec Dt:
02/22/2017
10
NIESEN-WARKENTIN, EVGENIJA
Exec Dt:
02/24/2017
11
SCHACHTSIEK, LARS
Exec Dt:
02/24/2017
12
TRAUT, MANUEL
Exec Dt:
02/22/2017
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10040955
US20170009088
15115872
Correspondence name and address
MCGLINCHEY STAFFORD, PLLC
301 MAIN STREET, 14TH FLOOR
BATON ROUGE, LA 70801
Assignment: 15
Reel/Frame:041787/0774   Pages: 17
Recorded: 03/29/2017
Attorney Dkt #:OZ-14014-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREMSER, WOLFGANG
Exec Dt:
02/22/2017
2
DROLL, MARTIN
Exec Dt:
02/22/2017
3
SEEWALD, OLIVER
Exec Dt:
03/02/2017
4
NIESEN-WARKENTIN, EVGENIJA
Exec Dt:
02/24/2017
5
SCHACHTSIEK, LARS
Exec Dt:
02/24/2017
6
TRAUT, MANUEL
Exec Dt:
02/22/2017
7
KHELFALLAH, NAWEL
Exec Dt:
02/23/2017
8
GEROLD, STEPHANIE
Exec Dt:
02/22/2017
9
FRENKEL, ALIAKSANDR
Exec Dt:
02/22/2017
10
EILINGHOFF, RON
Exec Dt:
03/08/2017
11
WASSERFALLEN, DANIEL
Exec Dt:
02/22/2017
12
SOTKE, VERA
Exec Dt:
02/23/2017
13
SCHWAMB, MICHAEL
Exec Dt:
03/08/2017
Assignee
1
CHEMETALL GMBH
TRAKEHNER STR. 3
FRANKFURT AM MAIN, GERMANY 60487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11389823
US20170066009
15121998
Correspondence name and address
MCGLINCHEY STAFFORD, PLLC
301 MAIN STREET, 14TH FLOOR
BATON ROUGE, LA 70801

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