Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767027 | Method and apparatus for removing combustion residues using different cleaning media | Achim Schiffer, Helmut Robiné, Dieter Rüsenberg, Stephan Schwenke, Helmut Dombrowski +1 more | 2010-08-03 |
| 6196205 | Fuel control system for gas-operated engines | — | 2001-03-06 |