| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Belgium | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Materials and metallurgy | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Finishing work on buildings | |
| #3 | Layered products | |
| #4 | Shaping of plastics | |
| #5 | Scaffolding | |
| #6 | Platform constructions | |
| #7 | Building materials | |
| #8 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zdzislaw Pregowski | 6 |
| #2 | Pregowski Zdzislaw | 3 |
| Publication | Filing date | Title |
|---|---|---|
| EP0524566A1 | Sound absorbing panel | |
| EP0392524A1 | Sound-absorbing wall | |
| CH536182A | Plastics sheets applied to foam panels - by maintaining pressure drop across panel | |
| FR2004554A1 | Expanded polystyrene boards used for cladding concrete - faced structures |