Dieter Franke

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure discharge lamp with a cooled electrode
- Patent number 6,218,780
- Issue date Apr 17, 2001
- Patent-Truehand-Gesellschaft fuer elektrische Gluelampen mbH
- Dietmar Ehrlichmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure discharge bulb
- Patent number 5,847,510
- Issue date Dec 8, 1998
- Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
- Hans-Werner Goelling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double-ended high-pressure discharge lamp
- Patent number 5,304,892
- Issue date Apr 19, 1994
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Bernd Lewandowski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure, high-power discharge lamp, and method of its manufac...
- Patent number 5,264,759
- Issue date Nov 23, 1993
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Bernd Lewandowski
- H01 - BASIC ELECTRIC ELEMENTS