Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9170020 | Monitoring of the presence of two flames in a fuel combustion device | Ulrich Hofmann, Erik Lang, Josef Lelle | 2015-10-27 |
| 7046154 | Flame-monitoring device | Klaus Bott, Jurgen Hoffmann, Reiner Kind | 2006-05-16 |
| 6955535 | Array for an automatic firing device for a gas or oil burner | — | 2005-10-18 |