Lutz Klein

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Scheuring, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-tube compact low-pressure discharge fluorescent lamp
- Patent number 4,853,591
- Issue date Aug 1, 1989
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Lutz Klein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a unitary tubular generally U-shaped discharge ves...
- Patent number 4,830,648
- Issue date May 16, 1989
- Patent Treuhand Gesellschaft Elektrische Gluhlampen m.b.h.
- Lutz Klein
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making a discharge vessel for compact low-pressure discha...
- Patent number 4,801,323
- Issue date Jan 31, 1989
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Lutz Klein
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low-pressure mercury vapor discharge lamp, particularly U-shaped fl...
- Patent number 4,481,442
- Issue date Nov 6, 1984
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Wolfgang Albrecht
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
High pressure mercury vapor discharge lamp with outer bulb
- Patent number 4,393,331
- Issue date Jul 12, 1983
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Alexander Dobrusskin
- H01 - BASIC ELECTRIC ELEMENTS