Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422550 | Boiler | Norbert Volkmann, Alexander Guhl | 2019-09-24 |
| 8827692 | Oil burner, regulating device and regulating method therefor | Juergen Rollmann, Sadik Cecen, Rainer Rausch, Michael Schuessler | 2014-09-09 |