| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Norway | 3 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Antonsen Roger | 12 |
| #2 | Braekke Kristoffer | 9 |
| #3 | Lunde Geir | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA2914244A1 | Protective sleeve for ball activated device | |
| WO2014195795A2 | Trigger mechanism for ball activated device | |
| EP2994609A1 | Fracturing using re-openable sliding sleeves | |
| NO20131277A1 | Pressure-activated valve |