Erolf Weinhardt

Person

Diedorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Low-pressure discharge lamp having an angularly oriented support me...
- Patent number 6,043,603
- Issue date Mar 28, 2000
- Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
- Erolf Weinhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a cap band for discharge lamps
- Patent number 5,825,127
- Issue date Oct 20, 1998
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Erolf Weinhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode coil for discharge lamps and method for producing such an...
- Patent number 5,729,081
- Issue date Mar 17, 1998
- Osram Sylvania Inc.
- Roland Hoffmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp, particularly cold-start fluorescent lamp, and metho...
- Patent number 5,614,784
- Issue date Mar 25, 1997
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Christian Harzig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mercury discharge lamp with mercury containing capsule
- Patent number 5,006,755
- Issue date Apr 9, 1991
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Horst Wittmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lamp filament structure, and method of its manufacture
- Patent number 4,506,187
- Issue date Mar 19, 1985
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Dieter Hofmann
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Carrier element on which an Hg-containing material for application...
- Publication number 20090021163
- Publication date Jan 22, 2009
- OSRAM Gesellschaft mit beschrankter Haftung
- Christian Harzig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Carrier element on which an Hg containing material for application...
- Publication number 20090021173
- Publication date Jan 22, 2009
- OSRAM Gesellschaft mit beschrankter Haftung
- Christian Harzig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coil electrode for a fluorescent lamp
- Publication number 20020036453
- Publication date Mar 28, 2002
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Erolf Weinhardt
- H01 - BASIC ELECTRIC ELEMENTS

Erolf Weinhardt

Person

Patents Grantslast 30 patents

Low-pressure discharge lamp having an angularly oriented support me...

Method for producing a cap band for discharge lamps

Electrode coil for discharge lamps and method for producing such an...

Discharge lamp, particularly cold-start fluorescent lamp, and metho...

Mercury discharge lamp with mercury containing capsule

Lamp filament structure, and method of its manufacture

Patents Applicationslast 30 patents

Carrier element on which an Hg-containing material for application...

Carrier element on which an Hg containing material for application...

Coil electrode for a fluorescent lamp