Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11007493 | Gassing device | — | 2021-05-18 |
| 10833485 | Pre-chamber spark plug | Werner Niessner, Peter Janas | 2020-11-10 |
| 9731253 | Standpipe arrangement and fastening for holding and for supplying gas to aerators in a waste water clarifying basin | Wilfried Ott | 2017-08-15 |