| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Switzerland | 2 | |
| #3 | German Democratic Republic | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hungary | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Australia | 1 | |
| #8 | Czechoslovakia | 1 | |
| #9 | Czechia | 1 | |
| #10 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kramer Dieter | 7 |
| #2 | Kraemer Dieter | 6 |
| #3 | Schwander Joerg | 2 |
| #4 | Schmidlin Alfred | 1 |
| #5 | Jeker Siegfried | 1 |
| #6 | Schmidlin Martin | 1 |
| #7 | Gerold Spieler | 1 |
| #8 | Metzger Georg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH688451A5 | Rectangular pan tile for roof | |
| EP0599785A1 | Tile for making a shingle-like roof | |
| EP0474974A1 | Eaves end profile |