Bernhard Freienstein

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for the continuous melting of granulated silicon for a...
- Patent number 4,940,568
- Issue date Jul 10, 1990
- Siemens Aktiengesellschaft
- Gerhard Hoyler
- C30 - CRYSTAL GROWTH
Information Patent Grant
Arrangement for the complete emptying of quartz tanks or crucibles...
- Patent number 4,913,199
- Issue date Apr 3, 1990
- Siemens Aktiengesellschaft
- Richard Falckenberg
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus and method for manufacturing tape-shaped silicon bodies f...
- Patent number 4,481,235
- Issue date Nov 6, 1984
- Siemens Aktiengesellschaft
- Helmut Foell
- C30 - CRYSTAL GROWTH