| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Norway | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Killie Rune | 15 |
| #2 | Brattli Anders Beyer | 6 |
| #3 | Lager Thorleif | 5 |
| #4 | Rinde Trygve | 4 |
| #5 | Anders Beyer Brattlie | 1 |
| #6 | Rune Killie | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NO20181120A1 | A valve for closing fluid communication between a well and a production string, and a method of using the valve | |
| NO344014B1 | A valve and a method for closing fluid communication between a well and a production string, and a system comprising the valve | |
| AU2017349483A1 | An apparatus and a method for controlling fluid flow in, into or out of a well, and an orientation means for orienting the apparatus |