| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Servomotors | |
| #3 | Unspecified technologies | |
| #4 | Pumps | |
| #5 | Geophysics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallundbaek Jorgen | 11 |
| #2 | Hazel Paul | 3 |
| #3 | Larsen Jesper Oluf | 1 |
| #4 | Andersen Tomas Sune | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2014536A1 | Borehole, as well as a method and an apparatus for forming it |