Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012707 | Arrangement for controlling tension in a winch cable connected to rock drilling equipment | — | 2000-01-11 |
| 5806616 | Arrangement in a rock drilling equipment | Juha Piipponen, Jouko Kuisma, Seppo Peltola | 1998-09-15 |
| 5409072 | Method and an arrangement for controlling the supply of air into a rock drilling machine | Kari Tantarimaki | 1995-04-25 |