| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Czechia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 | |
| #7 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Building materials | |
| #3 | Finishing work on buildings | |
| #4 | Shaping clay | |
| #5 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmelzer Wilhelm | 5 |
| #2 | Klotzek Peter Dipl Ing | 2 |
| #3 | Klotzek Peter | 2 |
| #4 | Peter Klotzek | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10026777A1 | Window suitable for installation in light shaft in front of cellar of building is mounted in wall with insulating layer joined to wall of light shaft | |
| EP0953551A1 | Prefabricated concrete element | |
| EP0816587A2 | Prefabricated stairs bearing | |
| DE4415550A1 | Prefabricated concrete component | |
| DE4322638A1 | Cavity screed | |
| DE3206249A1 | Window jamb with window |