| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Norway | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lassoie Jean-Pierre | 11 |
| #2 | Fanuel Philippe | 9 |
| #3 | Moi Stein Erik | 8 |
| #4 | Smith Clint | 8 |
| #5 | Dithmar Erik | 2 |
| #6 | Quintana Luis | 2 |
| #7 | Fanuel Philippe R | 2 |
| #8 | Mageren Olivier | 2 |
| #9 | Moi Erik Stein | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2005241856A1 | Underreaming and stabilizing tool and method for its use | |
| US6929076B2 | Bore hole underreamer having extendible cutting arms | |
| US2004065480A1 | Bore hole underreamer |