Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802562 | Device and method for evacuating a chamber and purifying the gas extracted from said chamber | Heiner Kösters | 2023-10-31 |
| 5660535 | Method of operating a claw-type vacuum pump and a claw-type vacuum pump suitable for carrying out the method | Andreas Kobus, Lothar Brenner, Hartmut Kriehn | 1997-08-26 |