Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341173 | Device and method for the determination of diameters of crystals | Burkhard Altekruger, Dieter Bruss, Klaus Kalkowski | 2002-01-22 |
| 6277192 | Crystal pulling unit | Burkhard Altekruger | 2001-08-21 |
| 6231669 | Crystal pulling unit | Burkhard Altekruger | 2001-05-15 |
| 6203610 | Device and a process for monitoring a melt for the production of crystals | Burkhard Altekruger, Dieter Bruss, Klaus Kalkowski | 2001-03-20 |
| 6126745 | Device for controlling crystal growth processes | Burkhard Altekruger, Dieter Bruss, Klaus Kalkowski | 2000-10-03 |
| 5853479 | Apparatus for drawing single crystals by the czochralski method | Dieter Bruss, Burkhard Altekruger | 1998-12-29 |
| 5587016 | Controlled feeding Czochralski apparatus | Burkhard Altekruger, Dieter Bruss, Klaus Kalkowski | 1996-12-24 |
| 5492078 | Process for the controlled feeding of a melting crucible with particles during the drawing of crystals by the czochralski method | Burkhard Alterkruger, Dieter Bruss, Klaus Kalkowski | 1996-02-20 |
| 5485802 | Method and apparatus for pulling monocrystals from a melt | Burkhard Altekruger, Roland Gesche, Martin Flachsel | 1996-01-23 |