| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Unspecified technologies | |
| #3 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Drumbl Otto | 6 |
| Publication | Filing date | Title |
|---|---|---|
| ATA253091A | Device for covering a wall opening | |
| DE2700210A1 | Wall hole covering matching surrounding cladding panels - has fracture points parallel to edges in base unit on adjustable frame | |
| ATA942076A | Cover elements | |
| DE2454906A1 | FINAL ELEMENT |