Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028752 | Ventilation device | Christoph Holliger | 2006-04-18 |
| 5924823 | Suction nozzle, method for operation, and use of the nozzle | — | 1999-07-20 |
| 5884360 | Nozzle arrangement and use thereof | — | 1999-03-23 |
| 5819801 | Method and device for producing periodical impulse changes in a fluid flow | — | 1998-10-13 |