Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8635939 | Apparatus, a control circuit and a method for producing pressure and volume flow | Matti Linjama, Jyrki Tammisto, Matti Vilenius | 2014-01-28 |
| 5123245 | Method and apparatus for starting a free piston combustion engine hydraulically | Matti Vilenius, Kari Koskinen, Erkki Lehto | 1992-06-23 |