Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415621 | Blind nut, fastening arrangement and method of fastening | Timo KELA, Teemu HIETAKARI, Jari Kiili | 2019-09-17 |
| 10294724 | Rock drill | Esa Rantala, Ari Kotala, Pekka Saukko | 2019-05-21 |
| 10012024 | Control valve | Timo LEINO, Antti Koskimaki, Ari Kotala | 2018-07-03 |
| 9981370 | Breaking device | Timo KELA, Antti Koskimaki | 2018-05-29 |
| 9737983 | Percussion piston | Antti Koskimaki, Ari Kotala, Timo LEINO | 2017-08-22 |
| 8733467 | Rock drilling machine and axial bearing module | Lars Kandelin, Pekka Saukko | 2014-05-27 |
| 8636088 | Rock drilling machine and axial bearing module | Lars Kandelin, Pekka Saukko | 2014-01-28 |
| 8151901 | Impact device and method for generating stress pulse therein | Markku Keskiniva, Jorma Maki, Mauri Esko, Erkki Ahola, Aimo Helin | 2012-04-10 |
| 7419015 | Rock drilling machine and axial bearing | Esa Rantala | 2008-09-02 |
| 7322425 | Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device | Markku Keskiniva, Jorma Maki, Mauri Esko, Erkki Ahola, Aimo Helin | 2008-01-29 |
| 7032684 | Method of opening joints between drilling components, and rock drill | Pekka Salminen | 2006-04-25 |
| 6854538 | Rock drill | — | 2005-02-15 |
| 6505689 | Arrangement for controlling rock drilling | Tapani Pöysti, Jaakko Niemi, Reijo Rämö | 2003-01-14 |
| 6273199 | Arrangement in rock drill and method of controlling rock drilling | Timo Kiikka, Pekka Salmlnen | 2001-08-14 |
| 6186246 | Method for adjusting drilling of drilling machine and rock drill | Aimo Helin, Timo Kiikka, Jorma Maki, Pekka Salminen | 2001-02-13 |
| 6112832 | Method and apparatus for controlling a rock drill on the basis of sensed pressure pulses | Timo Kiikka, Jorma Maki | 2000-09-05 |
| 5351763 | Arrangement for an axial bearing in a drilling machine | — | 1994-10-04 |
| 4934465 | Arrangement for the axial bearing of a drilling machine | Pekka Salmi, Timo Kiikka | 1990-06-19 |
| 4702326 | Coupling arrangement for a drill shank of a percussion drilling machine | Pekka Salmi | 1987-10-27 |
| D291087 | Wedge for a drill shank of a percussion drilling machine | Pekka Salmi | 1987-07-28 |