Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068545 | Method and device for providing electric energy for an engine control unit | Ernst Gorenflo, Heinrich Leufen, Eberhard Schieber | 2015-06-30 |
| 7406771 | Protective shield for a free-cutting tool | Helmut Zimmermann, Johannes Menzel, Kai-Ulrich Machens | 2008-08-05 |
| 7225713 | Cutting blade for a motor-driven, manually-guided implement | Norbert Apfel, Helmut Köstner, Norbert Rehbein | 2007-06-05 |
| 6925718 | Tool head | Udo Bartmann, Reinhard Friedrich | 2005-08-09 |
| 5842279 | Guide bar for a motor chain saw | Bernd Andress | 1998-12-01 |
| 5733183 | Clamping device for axially clamping a disk-shaped tool | Tilo Deichl | 1998-03-31 |
| 5419686 | Fuel pump for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Adam, Werner Geyer | 1995-05-30 |
| 5365893 | Fuel-injection arrangement for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Adam, Werner Geyer | 1994-11-22 |
| 5359777 | Cutterhead for a string trimmer | Peter Bauer, Horst Eckhardt, Joachim Hoffmann | 1994-11-01 |
| 5353754 | Fuel-injection arrangement for an internal combustion engine | Michael Wissmann, Hans Nickel, Roland Adam, Manfred Thaiss, Werner Geyer | 1994-10-11 |
| 5281086 | Pump for viscous fluids | Michael Wissmann, Hans Nickel, Werner Geyer | 1994-01-25 |
| 5249363 | Guide bar having a lamellar assembly and method of making the same | David Mitrega, Walter Sattelmaier, Klaus Wieninger, Norbert Apfel, Bernd Andress | 1993-10-05 |
| 5245757 | Motor-driven chain saw having a grab handle | Wolfgang Weissert | 1993-09-21 |
| 5010858 | Starter arrangement for an internal combustion engine | Hans-Peter Dohse | 1991-04-30 |
| 4976246 | Fuel-injection pump arrangement for a two-stroke engine of a handheld portable tool | Michael Wissmann, Hans Nickel, Werner Geyer | 1990-12-11 |
| 4938660 | Pump for viscous fluids | Karsten Schone, Hans Nickel, Werner Geyer | 1990-07-03 |
| 4932370 | Fuel injection arrangement | Werner Geyer | 1990-06-12 |
| 4876999 | Two-stroke engine | Werner Geyer | 1989-10-31 |
| 4846119 | Fuel injection pump for a two-stroke engine | Werner Geyer | 1989-07-11 |
| 4813391 | Arrangement for injecting fuel for a two-stroke engine | Werner Geyer, Hans Nickel | 1989-03-21 |
| 4807573 | Fuel injection arrangement for a two-stroke engine | Werner Geyer, Michael Wissmann, Hans Nickel | 1989-02-28 |
| 4700668 | Method of injecting fuel for two-stroke engine and apparatus therefor | Werner Geyer, Michael Wissmann, Hans Nickel | 1987-10-20 |