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Patent Assignment Assignor Details
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Assignor Name : DEMUTH, MARTIN
Total Assignments: 9
Assignment: 1
Reel/Frame:003963/0536   Pages: 1
Recorded: 12/02/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DEMUTH, MARTIN
Exec Dt:
11/23/1981
2
SCHAFFNER, KURT
Exec Dt:
11/23/1981
Assignee
1
STUDIENGESELLSCHAFT KOHLE MBH, A GERMAN CORP.
KAISER-WILHELM-PLATZ 1
4330 MULHEIM/RUHR, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4415756
NONE
06326644
Correspondence name and address
SPRUNG, FELFE, HORN,
LYNCH & KRAMER
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004752/0901   Pages: 1
Recorded: 07/21/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAFFNER, KURT
Exec Dt:
07/02/1987
2
DEMUTH, MARTIN
Exec Dt:
07/09/1987
Assignee
1
STUDIENGESELLSCHAFT KOHLE MBH
KAISER-WILHELM-PLATZ 1
A CORP. OF GERMANY
4330 MULHEIM/RUHR, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4864037
NONE
07076417
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:011216/0991   Pages: 4
Recorded: 10/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMUTH, MARTIN
Exec Dt:
09/27/2000
2
RITTER, ALFRED
Exec Dt:
09/27/2000
Assignee
1
STUDIENGESELLSCHAFT KOHLE MBH
KAISER-WILHELM-PLATZ 1
45470 MULHEIM AN DER RUHR, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6660132
NONE
09673268
Correspondence name and address
NORRIS MCLAUGHLIN & MARCUS
KURT G. BRISCOE
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 4
Reel/Frame:020530/0041   Pages: 3
Recorded: 02/20/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMUTH, MARTIN
Exec Dt:
01/28/2008
2
RITTERSKAMP, PETER
Exec Dt:
01/28/2008
Assignee
1
H2 SOLAR GMBH
INDUSTRIESTR. 8
LORRACH, GERMANY 79541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8449861
US20080292536
12064243
Correspondence name and address
GUDRUN E. HUCKETT DRAUDT
SCHUBERTSTR. 15A
WUPPERTAL, 42289 FEDERAL REPUBLIC GERMANY
Assignment: 5
Reel/Frame:026569/0774   Pages: 3
Recorded: 07/11/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEMUTH, MARTIN
Exec Dt:
06/21/2011
2
KERPEN, KLAUS
Exec Dt:
06/21/2011
3
KUKLYA, ANDRIJ
Exec Dt:
06/21/2011
Assignee
1
H2 SOLAR GMBH
INDUSTRIESTR. 8
LOERRACH, GERMANY 79541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9005421
US20110303548
13124396
Correspondence name and address
GUDRUN E. HUCKETT DRAUDT
SCHUBERTSTR. 15A
WUPPERTAL, 42289 FEDERAL REPUBLIC GERMANY
Assignment: 6
Reel/Frame:035772/0527   Pages: 6
Recorded: 06/03/2015
Attorney Dkt #:15-004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KESSLER, HANS-JÜRG
Exec Dt:
05/05/2015
2
DEMUTH, MARTIN
Exec Dt:
05/30/2015
Assignees
1
2H.SYSTEM
WEGACKER 45
MAUREN, LIECHTENSTEIN 9493
2
3H GMBH RAUM-MANAGEMENT-SYSTEME
REUTENHOFSTR. 1
OPPENWEILER, GERMANY 71570
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150299844
14415144
Correspondence name and address
GUDRUN E. HUCKETT DRAUDT
SCHUBERTSTR. 15A
WUPPERTAL, 42289 GERMANY
Assignment: 7
Reel/Frame:061917/0636   Pages: 3
Recorded: 11/30/2022
Attorney Dkt #:MG21285US
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMUTH, MARTIN
Exec Dt:
11/23/2022
Assignee
1
MESSER AUSTRIA GMBH
INDUSTRIESTRABE 5
GUMPOLDSKIRCHEN, AUSTRIA 2352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230175781
17990846
Correspondence name and address
MESSER NORTH AMERICA, INC.
200 SOMERSET CORPORATE BOULEVARD
SUITE 7000
BRIDGEWATER, NJ 08807
Assignment: 8
Reel/Frame:062977/0386   Pages: 2
Recorded: 03/14/2023
Attorney Dkt #:6450-00035
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMUTH, MARTIN
Exec Dt:
03/14/2023
Assignee
1
MESSER AUSTRIA GMBH
INDUSTRIESTRASSE 5
GUMPOLDSKIRCHEN, AUSTRIA 2352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230271867
18245246
Correspondence name and address
ANDRUS INTELLECTUAL PROPERTY LAW, LLP
790 NORTH WATER STREET
SUITE 2200
MILWAUKEE, WI 53202
Assignment: 9
Reel/Frame:064902/0701   Pages: 2
Recorded: 09/14/2023
Attorney Dkt #:6450-00037
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DEMUTH, MARTIN
Exec Dt:
08/27/2023
Assignee
1
MESSER AUSTRIA GMBH
INDUSTRIESTRASSE 5
GUMPOLDSKIRCHEN, AUSTRIA 2352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240151393
18550510
Correspondence name and address
ANDRUS INTELLECTUAL PROPERTY LAW, LLP
790 NORTH WATER STREET
SUITE 2200
MILWAUKEE, WI 53202

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