| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Italy | 4 | |
| #3 | Germany | 3 | |
| #4 | United Kingdom | 1 | |
| #5 | Sweden | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Cutting | |
| #2 | Safety devices | |
| #3 | Wood saws | |
| #4 | Pipes | |
| #5 | Perforating | |
| #6 | Geophysics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friemann W | 2 |
| #2 | Friemann Wolfgang | 2 |
| #3 | Proschka J | 2 |
| #4 | Timm Heinz | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE2625473A1 | PROTECTIVE CIRCUIT FOR A TAPE KNIFE CUTTING MACHINE | |
| DE2625472A1 | PROTECTIVE CIRCUIT FOR A TAPE KNIFE CUTTING MACHINE | |
| DE2441568A1 | HOSE CONNECTION | |
| US3858095A | Protective circuit arrangement for band cutter machines | |
| GB1425378A | Protective circuit arrangement for band cutter machines |