| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Sweden | 2 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Välisalo Juhani | 12 |
| #2 | Vaelisalo Juhani | 4 |
| Publication | Filing date | Title |
|---|---|---|
| FI20175778A1 | Fluid operated drilling device | |
| FI20175742A1 | Fluid operated drilling device | |
| FI20175303A | Drilling device for installing underground pipes in the ground | |
| WO2011055001A1 | Method for coupling of a casing tube to a drill bit | |
| FI20050999A0 | Method of replacing two or more pipes | |
| FI20050861A0 | A method for replacing two or more tubes |