Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320240 | Closure for a vessel | Gunter Wolf, Werner Vonderau | 1994-06-14 |
| 5065708 | Internal combustion engine for a portable handheld work apparatus | Klaus Hoppner, Hermann Weiss | 1991-11-19 |
| 4693005 | Guide bar for a saw chain of a motor-driven chain saw | Dieter Unrath, Gunther Zimmermann | 1987-09-15 |
| 4693006 | Chain saw having a handle | — | 1987-09-15 |
| 4693735 | Motor-driven tool having an air filter | — | 1987-09-15 |
| 4662071 | Motor-drive chain saw with a clutch and oil pump | Klaus Hoppner, Benno Tilders, Gunter Wolf | 1987-05-05 |
| 4644658 | Lubricating-oil pump arrangement for a motor-driven apparatus | Hans Dolata, Reinhold Fink, Gerd Itzrodt, Adam Kelbert, Siegfried Ryssel +2 more | 1987-02-24 |
| 4474269 | Braking device for a power chain saw | Reiner Kloberg, Klaus Hoppner | 1984-10-02 |
| 4462158 | Hand-guided motor driven working device | — | 1984-07-31 |