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Joachim Aufreiter
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Alzenau, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for the determination of diameters of crystals
Patent number
6,341,173
Issue date
Jan 22, 2002
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystal pulling unit
Patent number
6,277,192
Issue date
Aug 21, 2001
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystal pulling unit
Patent number
6,231,669
Issue date
May 15, 2001
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device and a process for monitoring a melt for the production of cr...
Patent number
6,203,610
Issue date
Mar 20, 2001
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device for controlling crystal growth processes
Patent number
6,126,745
Issue date
Oct 3, 2000
Leybold Systems GmbH
Burkhard Altekruger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for drawing single crystals by the czochralski method
Patent number
5,853,479
Issue date
Dec 29, 1998
Balzers und Leybold
Joachim Aufreiter
C30 - CRYSTAL GROWTH
Information
Patent Grant
Controlled feeding Czochralski apparatus
Patent number
5,587,016
Issue date
Dec 24, 1996
Leybold Aktiengesellschaft
Burkhard Altekruger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for the controlled feeding of a melting crucible with parti...
Patent number
5,492,078
Issue date
Feb 20, 1996
Leybold Aktiengesellschaft
Burkhard Alterkruger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for pulling monocrystals from a melt
Patent number
5,485,802
Issue date
Jan 23, 1996
Leybold Aktiengesellschaft
Burkhard Altekruger
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Method and device for controlling a crystal pulling apparatus
Publication number
20020152950
Publication date
Oct 24, 2002
Joachim Aufreiter
C30 - CRYSTAL GROWTH
Information
Patent Application
DEVICE AND METHOD FOR THE DETERMINATION OF DIAMETERS OF CRYSTALS
Publication number
20010043733
Publication date
Nov 22, 2001
BURKHARD ALTEKRUGER
C30 - CRYSTAL GROWTH