| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 5 | |
| #2 | Australia | 3 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Germany | 1 | |
| #6 | Japan | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hulkkonen Teijo | 8 |
| #2 | Salmi Pekka | 3 |
| #3 | Korte Pasi | 1 |
| #4 | Hulkkonen Teijo Juhana | 1 |
| #5 | Rautiainen Jussi | 1 |
| #6 | Leino Antti | 1 |
| #7 | Laakso Jesse | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI20095561A0 | Arrangement of devices for measuring direction and / or position of drill hole made with impact drilling equipment | |
| FI20095560A0 | Device and method for measuring the direction and / or position of a borehole made with a percussion method | |
| FI20001003A0 | Method and arrangement for impact drilling equipment | |
| FI19992647A | drill | |
| AU6847994A | A method for mounting hard metal buttons in a drill bit and a drill bit |