| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | China | 2 | |
| #5 | Sweden | 2 | |
| #6 | Colombia | 1 | |
| #7 | EAPO (Eurasian Patent Organization) | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Hungary | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barton Len | 18 |
| #2 | Loviknes Borre | 18 |
| #3 | Johansson Mats | 18 |
| Publication | Filing date | Title |
|---|---|---|
| SE1451380A1 | Retrievable re-connecting device with internal seal and slips for connecting to the top of an existing tubing in a wellbore | |
| SE1451379A1 | Temperature activated zonal isolation packer | |
| US2015167401A1 | Thermally expandable casing collar |