Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662231 | Cord rotating head for a crystal drawing system | — | 2010-02-16 |
| 7261773 | Melting crucible | Burkhard Altekruger, Axel Vonhoff | 2007-08-28 |
| 7261774 | Crystal-growing furnace, in particular a vertical Bridgman crystal-growing furnace or a vertical gradient freeze crystal-growing furnace having a jacket heater and a method of regulating the heat output of the jacket heater | — | 2007-08-28 |
| 7179331 | Crystal growing equipment | Burkhard Altekruger, Axel Vonhoff | 2007-02-20 |
| 7125452 | Process for calibrating the temperature control unit of an oven and oven for carrying out this process | — | 2006-10-24 |