Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116582 | Mixer for mixing two fluids in a container having a hollow rotor with a pervious portion and a liquid seal covering a non-pervious rotor portion | Heikki Vartiala | 2000-09-12 |
| 5291299 | Power supply and control unit for a light system and a lighting unit for the light system | — | 1994-03-01 |
| 4878020 | Method and device for measuring the distance between the discs of a refiner using a measurement of the magnetic flux induced between the discs | Heikki Pahlman | 1989-10-31 |