Wolfram Graser

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Munchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure discharge lamp having a ceramic discharge vessel
- Patent number 8,018,156
- Issue date Sep 13, 2011
- Osram AG
- Wolfram Graser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stabilizing the operation of gas discharged lamps
- Patent number 6,525,491
- Issue date Feb 25, 2003
- Patent-Treuhand-Gesellschaft fuer Elektrische Gluehlampen
- Andreas Huber
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintering electrode
- Patent number 6,218,025
- Issue date Apr 17, 2001
- Patent- Truchand-Gesellschaft fuer Elektrische Gluelampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure sodium lamp of low power
- Patent number 6,051,927
- Issue date Apr 18, 2000
- Patent-Truehand-Gesellschaft fuer elektrische Gluelampen mbH
- Wolfram Graser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus to make a discharge vessel for a sodium high-p...
- Patent number 5,192,239
- Issue date Mar 9, 1993
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Wolfram Graser
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High-Pressure Discharge Lamp Having a Ceramic Discharge Vessel
- Publication number 20090021172
- Publication date Jan 22, 2009
- Wolfram Graser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High-pressure discharge lamp
- Publication number 20020190668
- Publication date Dec 19, 2002
- Patent-Treuhand-Gesellschaft Fur elektrische Gluhlampen mgH
- Wolfram Graser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stabilizing the operation of gas discharge lamps
- Publication number 20010030515
- Publication date Oct 18, 2001
- Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Andreas Huber
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR