Karl Kreutzer

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Gelnhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of verifying a porous article made out of glass soot and fur...
- Patent number 4,842,628
- Issue date Jun 27, 1989
- Heraeus Quarzschmelze GmbH
- Karl Kreutzer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for manufacturing stria-free, bubble-free and homogeneous...
- Patent number 4,666,495
- Issue date May 19, 1987
- Heraeus Quarzschmelze GmbH
- Karl Kreutzer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing stria-free, bubble-free and homogeneous qua...
- Patent number 4,612,023
- Issue date Sep 16, 1986
- Heraeus Quarzschmelze GmbH
- Karl Kreutzer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for the production of flat, transparent vitreo...
- Patent number 4,475,204
- Issue date Oct 2, 1984
- Heraeus Quarzschmelze GmbH
- Lutz Brandt
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the production of flat, transparent vitreous silica slab...
- Patent number 4,377,405
- Issue date Mar 22, 1983
- Heraeus Quarzschmelze GmbH, Quarzstrasse
- Lutz Brandt
- C03 - GLASS MINERAL OR SLAG WOOL