| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Germany | 4 | |
| #3 | France | 2 | |
| #4 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Textiles and paper | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Containers for goods storage | |
| #3 | Mechanical paper working | |
| #4 | Cutting | |
| #5 | Fillers | |
| #6 | Transport or storage devices | |
| #7 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birk Rudolf | 5 |
| #2 | Rudolf Birk | 4 |
| Publication | Filing date | Title |
|---|---|---|
| FR2115099A1 | Expanding synthetic material - in a two part mould with additional envelope |