Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679276 | Foil electrical connector for an oil burner nozzle | Rafael Benavides, Werner Doehla | 1997-10-21 |
| 5460330 | Fuel oil burner with fuel heater and electromagnetic | Werner Döhla, Dietrich Brunner | 1995-10-24 |