Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314922 | Hand-held working tool | Helmut Zimmermann, Werner Geyer, Jorg Schlossarczyk, Hans Nickel, Gunter Stein +3 more | 2001-11-13 |
| 6256890 | Mounting mechanism for an adjustable component that is to be held | Manfred Rabis, Hans Nickel | 2001-07-10 |
| 6135428 | Diaphragm carburetor for an internal combustion engine with a manual starter | Hans Nickel | 2000-10-24 |
| 6109467 | Closure cap for an operating fluid container | Hans Nickel, Michael Marz, Savino Petruzzelli, Matthias Fleischer, Siegfried Wilhelm | 2000-08-29 |
| 6079582 | Tank closure for the fill opening of a fuel tank | Hans Nickel | 2000-06-27 |
| 5582143 | Actuating device for a decompression valve of an internal combustion engine with cable starter | Thomas Stark, Rudolf Krebs, Helmut Zimmermann, Jorg Schlossarczyk | 1996-12-10 |
| 5560345 | Start-assist device on a membrane carburetor | Werner Geyer, Thilo Barth, Peter Stucke, Horst Eckhardt, Manfred Rabis +1 more | 1996-10-01 |
| 5522143 | Tensioning arrangement for a saw chain of a motor-driven chain saw | Werner Geyer, Helmut Zimmermann, Rudolf Krebs, Hans Nickel | 1996-06-04 |
| 5491899 | Tensioning arrangement for a saw chain | Rudolf Krebs, Werner Geyer, Hans-Ulrich Nickel, Helmut Zimmermann | 1996-02-20 |
| 5358062 | Portable handheld drilling apparatus | Klaus-Martin Uhl, Hans Nickel, Helmut Zimmermann, Rudolf Krebs | 1994-10-25 |
| 5184403 | Motor-driven chain saw having a lubricating oil pump | — | 1993-02-09 |
| 4999918 | Motor chain saw having a guide bar clamped between the housing and a clamping piece | Michael Wissmann | 1991-03-19 |
| 4696264 | Two-stroke engine | Werner Vondernau, Jurgen Weber, Hans Nickel, Michael Wissmann | 1987-09-29 |
| 4633843 | Carburetor arrangement for an internal combustion engine | Michael Wissmann | 1987-01-06 |
| 4594780 | Brake arrangement for a chain saw | Michael Wissmann, Hans Nickel | 1986-06-17 |
| 4590896 | Two-stroke engine | Michael Wissmann | 1986-05-27 |