| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | United States | 2 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | General building constructions | |
| #3 | Construction of bridges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gantner Hans | 7 |
| #2 | Kunz August | 1 |
| #3 | Teysseire Raphael | 1 |
| #4 | Ackermann Herbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH669817A5 | Insulating plate installed under roof - has reinforcing strips at edges protecting against compression loads | |
| DE2647100A1 | INSULATION SUB-ROOF |