| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Norway | 3 | |
| #3 | Sweden | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Australia | 2 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Liw Lars | 16 |
| Publication | Filing date | Title |
|---|---|---|
| AU6040500A | A sleeve arrangement | |
| AU6040600A | Coupling device for a rock drill | |
| EP0737268A1 | Control device for drilling a bore hole |