Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938702 | Method and equipment for controlling operation of rock drilling apparatus | Heikki Saha, Markku Keskiniva, Antti Koskimaki, Esa Rantala, Tapani Pöysti +4 more | 2005-09-06 |
| 5896935 | Arrangement in boom for rock drilling unit | Mauri Esko | 1999-04-27 |
| 5896936 | Arrangement for controlling boom for rock drilling unit | Leo Hakkinen, Jaakko Niemi | 1999-04-27 |
| 5893421 | Arrangement for mounting swing cylinders in boom for rock drilling unit | — | 1999-04-13 |
| 5601148 | Arrangement for measuring the position of a feed beam in a rock drilling apparatus and/or measuring the position of a rock drill | Pekka Heiskanen, Matti Rissanen | 1997-02-11 |