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Karlheinz Rau
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Hanau, DE
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last 30 patents
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Patent Grant
Method of manufacturing a glass body having a non-uniform refractiv...
Patent number
5,049,175
Issue date
Sep 17, 1991
Heraeus Quarzschmelze GmbH
Dieter Ross
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for the continuous building of a hollow cylindrical soot bod...
Patent number
4,676,814
Issue date
Jun 30, 1987
Heraeus Quarzschmelze GmbH
Dieter Ross
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Lightweight mirror especially for astronomical purposes
Patent number
4,466,700
Issue date
Aug 21, 1984
Heraeus Quarzschmelze GmbH
Uwe Christiansen
G02 - OPTICS
Information
Patent Grant
Light-weight mirror blank for astronomical purposes and method of m...
Patent number
4,447,130
Issue date
May 8, 1984
Heraeus Quarzschmelze GmbH
Uwe Christiansen
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
4,392,715
Issue date
Jul 12, 1983
Heraeus Quarzschmelze GmbH
Hans-Ulrich Bonewitz
G02 - OPTICS
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
Information
Patent Grant
Melting burner made of vitreous silica for the production of massiv...
Patent number
4,368,846
Issue date
Jan 18, 1983
Heraeus Quarzschmelze GmbH
Karlheinz Rau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing synthetic quartz glass
Patent number
RE30883
Issue date
Mar 16, 1982
Heraeus Quarzscmelze GmbH
Karlheinz Rau
065 - Glass manufacturing
Information
Patent Grant
Method for the production of semiproduct for the production of ligh...
Patent number
4,235,615
Issue date
Nov 25, 1980
Heraeus Quartzschmelze GmbH
Karlheinz Rau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Light conducting fiber
Patent number
4,165,915
Issue date
Aug 28, 1979
Heraeus Quarzschmelze GmbH
Karlheinz Rau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing synthetic quartz glass, apparatus for the pract...
Patent number
4,162,908
Issue date
Jul 31, 1979
Heraeus Quarzschmelze GmbH
Karlheinz Rau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of surface crystallizing quartz
Patent number
4,102,666
Issue date
Jul 25, 1978
Heraeus-Schott Quarzschmelze GmbH
Peter Baumler
C30 - CRYSTAL GROWTH