Joern Dierks

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrode support tube for high pressure discharge lamp
- Patent number 6,262,535
- Issue date Jul 17, 2001
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbh
- Joern Dierks
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mercury vapor high-pressure discharge lamp and irradiation method,...
- Patent number 5,650,630
- Issue date Jul 22, 1997
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Joern Dierks
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mercury-vapor high-pressure short-arc discharge lamp, and method an...
- Patent number 5,608,227
- Issue date Mar 4, 1997
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Joern Dierks
- G02 - OPTICS