Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345020 | Percussion device and method for controlling the same | Jyrki Nissinen, Juhani Laine, Ossi Ilari Grohn | 2025-07-01 |
| 11828137 | Breaking hammer and method of supporting percussion piston | Jyrki Nissinen, Juhani Laine, Harri Moilanen | 2023-11-28 |
| 8704507 | Method for determining usage rate of breaking hammer, breaking hammer, and measuring device | Ilkka Lehmusvirta | 2014-04-22 |
| 7694748 | Rock breaking machine and lubricating method | — | 2010-04-13 |
| 6929098 | Arrangement for lubricating bearing surfaces of a tool of a hydraulic impact hammer | Jouko Ilmarinen, Ossi Kahra, Timo Sippus | 2005-08-16 |
| 6170317 | Arrangement for detecting a need for maintaining a hydraulic breaking apparatus | Kauko Juuri, Eero Ojala | 2001-01-09 |