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Winfried Schulmann
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Kleinostheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Crystal support
Patent number
6,758,901
Issue date
Jul 6, 2004
Crystal Growing Systems GmbH
Winfried Schulmann
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Device for the vacuum-tight connecting of two bodies of different m...
Patent number
6,412,821
Issue date
Jul 2, 2002
Unaxis Balzers Aktiengesellschaft
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Grip arranged on a pull shaft of a crystal pulling system
Patent number
6,299,684
Issue date
Oct 9, 2001
Leybold Systems GmbH
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device for handling heavy components of a crystal puller according...
Patent number
6,010,569
Issue date
Jan 4, 2000
Balzers and Leybold Deutschland Holding AG
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Lifting unit for a monocrystal puller
Patent number
5,935,329
Issue date
Aug 10, 1999
Leybold Systems GmbH
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for drawing single crystals
Patent number
5,846,322
Issue date
Dec 8, 1998
Balzers Und Leybold Deutschland Holding AG
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Rotating head for crystal pulling systems for carrying out the czoc...
Patent number
5,766,348
Issue date
Jun 16, 1998
Leybold Aktiengesellschaft
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for pulling monocrystals from a melt contained...
Patent number
5,762,703
Issue date
Jun 9, 1998
Balzers und Leybold Deutschland Holding AG
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Crystal pulling apparatus
Patent number
5,707,447
Issue date
Jan 13, 1998
Balzers Und Leybold Deutschland Holding AG
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Rotating head for crystal pulling systems
Patent number
5,702,523
Issue date
Dec 30, 1997
Leybold Aktiengesellschaft
Winfried Schulmann
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gear motor with an electric motor having a hollow shaft
Patent number
5,631,511
Issue date
May 20, 1997
Leybold Aktiengesellschaft
Winfried Schulmann
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Crystal support
Publication number
20020124795
Publication date
Sep 12, 2002
Winfried Schulmann
C30 - CRYSTAL GROWTH