| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Denmark | 3 | |
| #3 | Spain | 2 | |
| #4 | Finland | 1 | |
| #5 | Greece | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements | |
| #3 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Singer Alexander | 5 |
| #2 | Alexander Singer | 3 |
| #3 | Friedrich Bruckmayer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES142953A1 | A procedure for manufacturing construction material. | |
| ES140857A1 | Procedure for the manufacture of dry masonry. | |
| US1269325A | Chair attachment. |