Gerhard Doll

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Ulm, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coupling element for elongate lamps and illumination system having...
- Patent number 7,025,472
- Issue date Apr 11, 2006
- Patent-Treuhand-Gesellschaft für Elektrische Gluehlampen mbH
- Gerhard Döll
- F21 - LIGHTING
Information Patent Grant
Discharge lamp with ignition aid of a UV/VIS material having high s...
- Patent number 6,984,930
- Issue date Jan 10, 2006
- Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Gerhard Döll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tubular discharge lamp with ignition aid
- Patent number 6,960,874
- Issue date Nov 1, 2005
- Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Gerhard Döll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric barrier discharge lamp with starting aid
- Patent number 6,924,599
- Issue date Aug 2, 2005
- Patent-Treuhaud-Gesellschaft für elektrische Glühlampen mbH
- Gerhard Döll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric barrier discharge lamp having an ignition means
- Patent number 6,777,878
- Issue date Aug 17, 2004
- Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Werner Berlinghof
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric barrier discharge lamp
- Patent number 6,605,899
- Issue date Aug 12, 2003
- Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Werner Berlinghof
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Coupling element for elongate lamps and illumination system having...
- Publication number 20040218386
- Publication date Nov 4, 2004
- PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHL
- Gerhard Doll
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
With ignition assisted discharge lamp
- Publication number 20040046490
- Publication date Mar 11, 2004
- Gerhard Doll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tubular discharge lamp with ignition aid
- Publication number 20040021411
- Publication date Feb 5, 2004
- Gerhard Doll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric barrier discharge lamp with starting aid
- Publication number 20030111960
- Publication date Jun 19, 2003
- PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLA
- Gerhard Doll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric barrier discharge lamp having a starting aid
- Publication number 20030011321
- Publication date Jan 16, 2003
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Werner Berlinghof
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric barrier discharge lamp
- Publication number 20020163306
- Publication date Nov 7, 2002
- Werner Berlinghof
- H01 - BASIC ELECTRIC ELEMENTS