Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841824 | Saw chain for a chain saw | Werner Hartmann, Jochen Buchholtz | 1989-06-27 |
| 4756221 | Saw chain | Karl Nitschmann, Werner Hartmann | 1988-07-12 |
| 4644658 | Lubricating-oil pump arrangement for a motor-driven apparatus | Reinhold Fink, Gerd Itzrodt, Adam Kelbert, Siegfried Ryssel, Anton Wehle +2 more | 1987-02-24 |
| 4636147 | Lubricating-oil pump for a motor-driven apparatus | Karl Schweitzer, Karl Nitschmann | 1987-01-13 |
| 4597178 | Saw chain sharpener | Werner Meyle, Wilfried Linke, Hermann Hagele, Ernst Buck | 1986-07-01 |
| 4558621 | Saw chain for a chain saw | Karl Nitschmann, Wilfried Linke, Gunter Dietzsch, Werner Hartmann, Hans Kaiser +1 more | 1985-12-17 |
| 4554853 | Safety arrangement for a saw chain of a power-driven chain saw | Karl Nitschmann, Gunter Dietzsch | 1985-11-26 |
| 4459890 | Saw chain for power saw | Werner Meyle, Adam Kelbert, Karl Nitschmann | 1984-07-17 |
| 4409874 | Saw chain for chain saws, particularly power chain saws | Karl Nitschmann, Gunter Dietzsch | 1983-10-18 |
| 4385532 | Sharpening device for a back-sharpened saw chain of a motor chain saw | Werner Meyle, Hans Kaiser, Gerhard Odenwald, Gunther Weyda | 1983-05-31 |
| 4348926 | Saw chain for motor chain saws | Werner Meyle, Gunther Weyda | 1982-09-14 |