| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 2 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Norway | 1 | |
| #8 | Romania | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Safety devices | |
| #3 | Transport or storage devices | |
| #4 | Radiation protection |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sagefors Karl Ivar | 10 |
| #2 | Akesson Bengt A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2154995A | Method for excavating rock cavities | |
| WO8300526A1 | A method for constructing in rock storage locations for liquid products, for example oil products | |
| US4189254A | System for the storage of radioactive material |