Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141001 | Reciprocation device and crib | Teemu Järvinen, Markus Vihottula, Riitta Sissala, Hanna Sissala, Ismo Viitaniemi | 2021-10-12 |
| 7150835 | Arrangement and method for collecting oil | Erkki Mykkanen | 2006-12-19 |
| 7112279 | Arrangement and method for collecting oil | Erkki Mykkanen | 2006-09-26 |
| 6062925 | Service vessel operating method | Risto Kurimo | 2000-05-16 |
| 6046959 | Sound source arrangement | Pekka Jaakola, Erkki Jalkanen | 2000-04-04 |
| 5685376 | System and method utilizing low-pressure nozzles for extinguishing fires | Hannu Tirronen | 1997-11-11 |
| 5513149 | Sound damping arrangement | Jonas Packalen, Antti K. H. Jarvi | 1996-04-30 |
| 5403216 | Ship propulsion arrangement | Erkki Ranki, Kari Laukia, Ulf Rosovist | 1995-04-04 |
| 5218917 | Icebreaking ship | Arjo Harjula | 1993-06-15 |
| 5050283 | Arrangement for handling drill rods in a rock drilling unit or the like | Jusha Piipponen, Pekka Heiskanen, Juhani Lappalainen, Kari Farlin | 1991-09-24 |
| 4971158 | Method in rotary drilling and rotary drilling apparatus | — | 1990-11-20 |
| 4934465 | Arrangement for the axial bearing of a drilling machine | Timo Kiikka, Timo Muuttonen | 1990-06-19 |
| 4736806 | Continuously revolving percussion drilling machine | Hannu Paasonen | 1988-04-12 |
| 4702187 | Bottom construction for a ship | Torsten Heideman, Kai Levander | 1987-10-27 |
| 4702326 | Coupling arrangement for a drill shank of a percussion drilling machine | Timo Muuttonen | 1987-10-27 |
| D291087 | Wedge for a drill shank of a percussion drilling machine | Timo Muuttonen | 1987-07-28 |
| 4582145 | Pressure-medium driven percussion device | Timo Muttonen | 1986-04-15 |
| D282666 | Shank adaptor for a rock drill | Hannu Paasonen | 1986-02-18 |
| 4402557 | Drill steel centralizer | Hannu Paasonen, Jarmo Heinonen | 1983-09-06 |
| 4369848 | Control system for a rock drill | Aimo Helin | 1983-01-25 |
| 4366868 | Rock drill apparatus | — | 1983-01-04 |
| 4355691 | Hydraulic drilling apparatus | Esa Karru, Hannu Paasonen, Aimo Helin | 1982-10-26 |
| 4343227 | Hydraulic percussion apparatus | Esa Karru, Hannu Paasonen | 1982-08-10 |
| 4289209 | Impact device with fluid tool rotation motor | — | 1981-09-15 |