| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | France | 6 | |
| #3 | Germany | 4 | |
| #4 | Belgium | 3 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements | |
| #3 | Finishing work on buildings | |
| #4 | Shaping clay | |
| #5 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Josef Liebermann | 6 |
| #2 | Liebermann Josef | 5 |
| Publication | Filing date | Title |
|---|---|---|
| CA941633A | Prefabricated corner sections | |
| DE2022068A1 | External wall element for buildings made of prefabricated elements |