Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605659 | Process for determining surface contamination of polycrystalline silicon | Robert Baumann | 2020-03-31 |
| 9771651 | Process for producing polycrystalline silicon | — | 2017-09-26 |
| 9725212 | Packing of polysilicon | — | 2017-08-08 |
| 9421584 | Method for purifying polycrystalline silicon | Christian Gossmann, Herbert Lindner | 2016-08-23 |
| 9340901 | Method and device for producing classified high-purity polycrystalline silicon fragments | Marcus Schaefer, Reiner Peach | 2016-05-17 |
| 9266741 | Polycrystalline silicon chunks and method for producing them | Laszlo Fabry | 2016-02-23 |
| 9120674 | Process for cleaning polycrystalline silicon chunks | Thomas Gailer, Rudolf Kellner | 2015-09-01 |
| 9073756 | Low-dopant polycrystalline silicon chunk | Andreas Killinger, Reiner Pech | 2015-07-07 |
| 8833042 | Method and device for packaging polycrystalline bulk silicon | Bruno Lichtenegger, Reiner Pech | 2014-09-16 |
| 8802208 | Breathable glove for use in packing and sorting high-purity silicon | — | 2014-08-12 |
| 7922876 | Method for processing an etching mixture which is formed during the production of highly pure silicon | Christian Gossmann, Wolfgang Stoiber | 2011-04-12 |
| 7736439 | Method for cleaning a polysilicon fraction | Christian Gossmann, Herbert Lindner | 2010-06-15 |
| 7360727 | Apparatus and method for the mechanical comminution of semiconductor materials | Matthaeus Schantz, Peter Gruebl | 2008-04-22 |
| 6309467 | Method for producing a semiconductor material | Theresia Bauer, Josef Dietl, Werner Ott, Herbert Pichler, Wilhelm Schmidbauer +2 more | 2001-10-30 |
| 6170171 | Vacuum drying of semiconductor fragments | Wilhelm Schmidbauer, Werner Ott | 2001-01-09 |
| 6046117 | Process for etching semiconductor wafers | Theresia Bauer, Susanne Weizbauer, Alfred Bergler | 2000-04-04 |