Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10191386 | Imaging optical unit for EUV projection lithography | Johannes Ruoff | 2019-01-29 |
| 9835953 | Imaging optical unit for EUV projection lithography | Johannes Ruoff | 2017-12-05 |
| 9625827 | Imaging optical unit for EUV projection lithography | Johannes Ruoff | 2017-04-18 |
| 7563406 | Device for supplying casting installations with molten metal | — | 2009-07-21 |
| 5441390 | Worm pump for delivering a metal melt | Erich Rauch | 1995-08-15 |
| 5411240 | Furnace for delivering a melt to a casting machine | Erich Rauch | 1995-05-02 |