| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Unspecified technologies | |
| #3 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walther Mirco | 12 |
| #2 | Walther Uli | 2 |
| #3 | Walther Thorsten | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2011143733A1 | Screw with pull-out resistant thread normal to shank | |
| US2011211934A1 | Screw having underside pockets | |
| US2011064540A1 | Screw having underside cutters and pockets | |
| CA2647663A1 | Self-counter-sinking screw with circumferential cutters | |
| US2006130414A1 | Spacer for mounting a deck ledger board to a building surface | |
| CA2267572A1 | Screw for use as a fastener in fibrous material such as wood |