| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | Norway | 5 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Mexico | 3 | |
| #5 | Brazil | 2 | |
| #6 | United States | 2 | |
| #7 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stein Arild F | 8 |
| #2 | Brown William Edmund Rolland | 5 |
| #3 | Lunde Trond Eidebakk B | 5 |
| #4 | Salomonsen Helge | 5 |
| #5 | Grande Eirik | 4 |
| #6 | Brekke Kristian | 3 |
| #7 | Shawd Jarid | 3 |
| #8 | Helge Salomonsen | 2 |
| #9 | Arild F Stein | 2 |
| #10 | Trond Eidebakk B Lunde | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2015169772A2 | System for holding and releasing an object in a well, and method of operation | |
| WO2015169676A2 | System, well operation tool and method of well operation | |
| NO20150277A1 | Device for setting and retrieving a crown plug (A) in a well head | |
| WO2014177636A2 | Downhole apparatus and associated methods | |
| WO2014044843A2 | Downhole apparatus and methods | |
| MX2014002616A | Flow activated circulating valve. |