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Joerg Witte
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Pfungstadt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Tungsten containing forming mandrel for glass forming
Patent number
10,675,407
Issue date
Jun 9, 2020
Schott AG
Joerg Witte
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Coated noble metal elements for glass production
Patent number
8,337,946
Issue date
Dec 25, 2012
Schott AG
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and casting mold for manufacturing a quartz glass body
Patent number
8,104,309
Issue date
Jan 31, 2012
Schott AG
Manfred Borens
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Coated metal elements for producing glass
Patent number
7,648,732
Issue date
Jan 19, 2010
Schott AG
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coated metal element used for producing glass
Patent number
7,338,714
Issue date
Mar 4, 2008
Schott AG
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and device for refining a glass melt using negative pressure
Patent number
7,231,788
Issue date
Jun 19, 2007
Schott AG
Frank Karetta
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
TUNGSTEN CONTAINING FORMING MANDREL FOR GLASS FORMING
Publication number
20170119967
Publication date
May 4, 2017
SCHOTT AG
Joerg Witte
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
FORMING MANDREL WITH DIFFUSION LAYER FOR GLASS FORMING
Publication number
20170022088
Publication date
Jan 26, 2017
SCHOTT AG
Joerg Witte
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method and Device for Bubble-free Transportation, Homogenization an...
Publication number
20090165500
Publication date
Jul 2, 2009
SCHOTT AG
Katharina Luebbers
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
COATED NOBLE METAL ELEMENTS FOR GLASS PRODUCTION
Publication number
20090056382
Publication date
Mar 5, 2009
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
QUARTZ GLASS BODY, METHOD AND CASTING MOLD FOR MANUFACTURING SAME
Publication number
20080153688
Publication date
Jun 26, 2008
Manfred Borens
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
COATED METAL ELEMENTS FOR PRODUCING GLASS
Publication number
20080090013
Publication date
Apr 17, 2008
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method and device for refining a glass melt using negative pressure
Publication number
20050097922
Publication date
May 12, 2005
Frank Karetta
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Coated metal element used for producing glass
Publication number
20040067369
Publication date
Apr 8, 2004
Franz Ott
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...