Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904977 | Portable handheld work apparatus | Klaus Langhans, Jochen Kramer, Thomas Stark, Michael Vögtle, Gunter Mayer | 2005-06-14 |
| 5887489 | Locking device for a rotary member of a working tool | — | 1999-03-30 |
| 5826478 | Nozzle for supplying a liquid to a rotating tool | — | 1998-10-27 |
| 5743240 | Hand-guided, portable tool with internal combustion engine | Manfred Reinhardt | 1998-04-28 |
| 5704257 | Securing mechanism for securing a drive shaft of a rotating tool member of a working tool | Joachim Kottke, Thomas Schweigert | 1998-01-06 |
| 5320281 | Housing for a high-pressure cleaning apparatus | Werner Hartmann, Karl-Heinz Klopfer | 1994-06-14 |
| 5267540 | Pull-rope starter for an internal combustion engine | Igor Klaric | 1993-12-07 |
| 4932366 | Portable handheld motor-driven tool | — | 1990-06-12 |
| 4893410 | Cutterhead for a vegetation cutter | Joachim Hoffmann, Dieter Angstenberger | 1990-01-16 |
| 4866846 | Cutterhead for a vegetation cutter | Joachim Hoffmann, Josef Karner, Dieter Angstenberger | 1989-09-19 |
| 4864728 | Brushcutter | Manfred Kloft, Helmut Unger | 1989-09-12 |
| 4761939 | Brushcutter | — | 1988-08-09 |
| 4696108 | Pruning apparatus | Gunter Mayer | 1987-09-29 |
| 4690252 | Rotation-preventing locking device for a portable tool | Joachim Kottke | 1987-09-01 |
| 4662158 | Brushcutter having a starter arrangement | — | 1987-05-05 |
| 4651421 | Cutterhead for a vegetation cutter | — | 1987-03-24 |
| 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 |
| 4529099 | Closure for a fuel tank | — | 1985-07-16 |
| D276662 | Portable pneumatic sweeper | Hans Trumpf, Karl-Erich Koch | 1984-12-04 |
| 4461055 | Portable sweeping device | Hans Trumpf | 1984-07-24 |
| 4285127 | Apparatus for trimming plants | Roland Beier | 1981-08-25 |