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Anton Steinkohl
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Grundau, DE
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last 30 patents
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Patent Grant
Method for the production of a quartz glass blank and apparatus sui...
Patent number
6,079,225
Issue date
Jun 27, 2000
Heraeus Quarzglas GmbH & Co. KG
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process and apparatus for the production of a quartz glass blank
Patent number
5,788,730
Issue date
Aug 4, 1998
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for holding a hollow cylinder of silicon dioxide soot
Patent number
5,738,702
Issue date
Apr 14, 1998
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for manufacture of quartz glass plates
Patent number
5,667,547
Issue date
Sep 16, 1997
Heraeus Quartzglas GmbH
Uwe Christiansen
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for the sintering of hollow cylinders of silicon dioxide soot
Patent number
5,665,132
Issue date
Sep 9, 1997
Heraeus Quarzglas GmbH
Klaus Ruppert
C03 - GLASS MINERAL OR SLAG WOOL
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
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
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