Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676384 | Gas friction pump | — | 2004-01-13 |
| 6464451 | Vacuum pump | Armin Conrad | 2002-10-15 |
| 6409477 | Vacuum pump | Armin Blecker, Heinrich Lotz, Heinz Reichhart | 2002-06-25 |
| 6368082 | Vacuum pump with rotor supporting gas bearings | Armin Conrad | 2002-04-09 |