Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8878404 | Arrangement and method for cooling an electrical machine | Petri J. Mäki-Ontto, Pekka Kanninen | 2014-11-04 |
| 8760024 | Arrangement for attaching a magnet to a rotor, and a rotor | Petri J. Mäki-Ontto, Pekka Kanninen | 2014-06-24 |
| 7626310 | Rotor of an electrical machine | Juha Hellsten, Jarkko Saramo | 2009-12-01 |
| 4305818 | Vacuum sewage system | Kaj Nyman | 1981-12-15 |