| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 13 | |
| #2 | Germany | 7 | |
| #3 | Belgium | 5 | |
| #4 | France | 5 | |
| #5 | United States | 5 | |
| #6 | United Kingdom | 3 | |
| #7 | Italy | 3 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Japan | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Accessories for machine tools | |
| #6 | Sawing | |
| #7 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duruz Louis | 10 |
| #2 | Furrer Alfred | 5 |
| #3 | Strehl Jean-Marc | 4 |
| #4 | Schmid Bernard | 4 |
| #5 | Ressencourt Hubert | 3 |
| #6 | Aeschbach Fritz | 3 |
| #7 | Frossard Marcel | 2 |
| #8 | Devaud Pierre | 2 |
| #9 | Frossard M | 1 |
| #10 | Marcel Frossard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0310908A2 | Punching machine for sheet metal | |
| US4665607A | Machine for working sheet material such as sheet metal | |
| CH664519A5 | Sheet metal working machine | |
| CH658609A5 | Machine for punching sheet metal | |
| CH638124A5 | Cutter sheet material. | |
| CH637862A5 | Cutter sheet material. | |
| CH627397A5 | Punching tool | |
| DE2752349A1 | PROTECTIVE DEVICE FOR A SHEET CLAMP IN SHEET METAL PROCESSING MACHINES | |
| US4048890A | Punching tool die |