Dietrich Fromm

Person

Warngau, DE

People

Patents Grantslast 30 patents

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
Mercury-free metal halide lamp
- Patent number 6,069,456
- Issue date May 30, 2000
- Osram Sylvania Inc.
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and circuit to start and operate high pressure discharge lamps
- Patent number 5,821,696
- Issue date Oct 13, 1998
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Dietrich Fromm
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal halide discharge lamp
- Patent number 5,729,091
- Issue date Mar 17, 1998
- Patent-Treuhand-Gesellschaft F. Electrische Gluehlampen mbH
- Clemens Barthelmes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp with a halide fill including life-exte...
- Patent number 5,461,281
- Issue date Oct 24, 1995
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method to operate a high-pressure discharge lamp suitable for horiz...
- Patent number 5,436,533
- Issue date Jul 25, 1995
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Dietrich Fromm
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Low-power, high-pressure discharge lamp, particularly for general s...
- Patent number 5,363,007
- Issue date Nov 8, 1994
- Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide low-power high-pressure discharge lamp
- Patent number 5,210,463
- Issue date May 11, 1993
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp with low power input
- Patent number 4,633,136
- Issue date Dec 30, 1986
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp energization circuit, particularly for audio and sup...
- Patent number 4,291,254
- Issue date Sep 22, 1981
- Patent-und-Gesellschaft fur elektrische Gluhlampen m.b.H.
- Joachim Arlt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High pressure electric discharge lamp containing metal halides
- Patent number 4,171,498
- Issue date Oct 16, 1979
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Dietrich Fromm
- H01 - BASIC ELECTRIC ELEMENTS

Dietrich Fromm

Person

Patents Grantslast 30 patents

Sintering electrode

Mercury-free metal halide lamp

Method and circuit to start and operate high pressure discharge lamps

Metal halide discharge lamp

High-pressure discharge lamp with a halide fill including life-exte...

Method to operate a high-pressure discharge lamp suitable for horiz...

Low-power, high-pressure discharge lamp, particularly for general s...

Metal halide low-power high-pressure discharge lamp

High-pressure discharge lamp with low power input

Discharge lamp energization circuit, particularly for audio and sup...

High pressure electric discharge lamp containing metal halides