| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Woodworking tools | |
| #2 | Turning | |
| #3 | Unspecified technologies | |
| #4 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eberhard Helmut | 7 |
| #2 | Eberhard Helfried | 2 |
| #3 | Eberhard Andreas | 1 |
| #4 | Eberhard Andreas Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP3289162A1 | Ice drill | |
| AT506032A1 | Snake drill | |
| US6644899B2 | Drill bit and process of producing a drill bit with improved cutting edges | |
| ATA622002A | Tool | |
| US6394714B2 | Drill bit | |
| AU4031201A | Drill, especially a forstner bit or a multi-spur machine bit | |
| ATA3572000A | Drill has drill shaft and cutter head with central mandrel, two end cutter blades, chip space defined by hollow cylindrical wall, with peripheral cutter blade. |