Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472434 | Vehicle comprising a vehicle accessory arrangement | Hannu Hyttinen | 2022-10-18 |
| 11307588 | Vehicle accessory arrangement | Hannu Hyttinen | 2022-04-19 |
| 8418618 | Method and apparatus for small-charge blasting | Veikko Räisänen | 2013-04-16 |
| 8342261 | Method and equipment for small-charge blasting | Veikko Räisänen | 2013-01-01 |
| 8151901 | Impact device and method for generating stress pulse therein | Markku Keskiniva, Jorma Maki, Mauri Esko, Aimo Helin, Timo Muuttonen | 2012-04-10 |
| 8061434 | Percussion device | Markku Keskiniva, Jorma Maki, Mauri Esko | 2011-11-22 |
| 7891437 | Method for breaking rock | Markku Keskiniva, Jorma Maki, Mauri Esko, Aimo Helin | 2011-02-22 |
| 7878263 | Pressure-fluid-operated percussion device | Markku Keskiniva, Jorma Maki, Mauri Esko, Aimo Helin | 2011-02-01 |
| 7836969 | Method for controlling pressure fluid operated percussion device, and percussion device | Mauri Esko, Aimo Helin, Markku Keskiniva, Jorma Maki, Juha Piispanen | 2010-11-23 |
| 7743851 | Method and rock drilling rig for hole drilling | Markku Keskiniva, Mauri Esko, Jorma Maki, Aimo Helin, Juha Piispanen | 2010-06-29 |
| 7717190 | Method for controlling percussion device, software production, and percussion device | Markku Keskiniva, Jorma Maki, Aimo Helin, Mauri Esko | 2010-05-18 |
| 7441608 | Percussion device with a transmission element compressing an elastic energy storing material | Markku Keskiniva, Ari Kotala | 2008-10-28 |
| 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, Aimo Helin, Timo Muuttonen | 2008-01-29 |
| 7290622 | Impact device with a rotable control valve | Markku Keskiniva, Jorma Maki, Mauri Esko | 2007-11-06 |
| 7252154 | Percussion device with a transmission element compressing an elastic energy storing material | Markku Keskiniva, Ari Kotala | 2007-08-07 |
| 7178447 | Control valve and a method for a percussion device with a working cycle involving several coupling moments | Antti Koskimaki, Markku Keskiniva, Jorma Maki, Mauri Esko, Aimo Helin | 2007-02-20 |
| 7174824 | Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston | Antti Koskimaki, Markku Keskiniva, Jorma Maki | 2007-02-13 |
| 7013996 | Impact device | Markku Keskiniva, Jorma Maki, Esa Rantala | 2006-03-21 |