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Klaus Schadhauser
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Munich, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Bayonet base for lamp mount
Patent number
6,893,282
Issue date
May 17, 2005
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
Klaus Schadhauser
F21 - LIGHTING
Information
Patent Grant
Operating device for gas discharge lamps with detection of filament...
Patent number
6,777,942
Issue date
Aug 17, 2004
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Schadhauser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic circuits for detecting filament breakage in gas discharg...
Patent number
6,566,822
Issue date
May 20, 2003
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Schadhauser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrical circuit arrangement having equipotential surface for red...
Patent number
5,880,937
Issue date
Mar 9, 1999
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
Klaus Schadhauser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Socket and socket housing for an electric lamp particularly for a s...
Patent number
5,757,136
Issue date
May 26, 1998
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Klaus Schadhauser
F21 - LIGHTING
Information
Patent Grant
Screw-in adapter for single-based low-pressure discharge lamp, espe...
Patent number
5,320,548
Issue date
Jun 14, 1994
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Klaus Schadhauser
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Operating device for light sources having cost-effective wound items
Publication number
20020167386
Publication date
Nov 14, 2002
Patent-Treuhand-Gesellschaft Fur elektrische Gluhlampen mgH
Gunther Loehmann
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Operating device for gas discharge lamps with detection of filament...
Publication number
20020050824
Publication date
May 2, 2002
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Schadhauser
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electronic circuits for detecting filament breakage in gas discharg...
Publication number
20020047604
Publication date
Apr 25, 2002
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Schadhauser
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC