| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Denmark | 5 | |
| #3 | Austria | 2 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Coating compositions | |
| #3 | Polishing compositions | |
| #4 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heijmer Gustaf Bristol | 8 |
| #2 | Gustaf Bristol Heijmer | 6 |
| #3 | Trobeck Karl Gustaf | 1 |
| #4 | Karl Gustav Trobeck | 1 |
| #5 | Bror Erik Sanda | 1 |
| #6 | Bristol Heijmer Gustaf | 1 |
| #7 | Sandaa Bror Erik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH499468A | Plaster containing perlite on vermiculite - sand water and cellulose derivatives |