Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7237761 | Valve having double wound lamellar ring | Peter Kohlen | 2007-07-03 |
| 7215050 | Fixing unit for an electric motor | Rolf Anschicks | 2007-05-08 |
| 7159844 | Two-part flap valve | Gerd Bornmann, Peter Kohlen | 2007-01-09 |
| 7007926 | Flap valve having dual piston sealing rings | Peter Kohlen | 2006-03-07 |
| 6990873 | Electric motor drive with a worm | Thomas Mann | 2006-01-31 |