Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7193216 | Method and circuit arrangement for compensating for rate dependent change of conversion factor in a drift-type radiation detector and a detector appliance | — | 2007-03-20 |
| 7173250 | Drift-type detector with limited noise level | Heikki Johannes Sipilä | 2007-02-06 |
| 6967329 | Radiation detector, arrangement and method for measuring radioactive radiation, where continuous low-energy background noise is reduced | Heikki Johannes Sipilä | 2005-11-22 |
| 4605898 | Pulse field metal detector with spaced, dual coil transmitter and receiver systems | Kari T. J. Aittoniemi, Aatu Veikko Kalevi Lappalainen, Kalevi Savolainen | 1986-08-12 |
| 4520267 | Method and apparatus for analyzing ore by means of gamma radiation | Heikki Johannes Sipilä, Seppo Vaijarvi | 1985-05-28 |
| 4412451 | Method and apparatus for the determination of the average particle size in a slurry | Seppo J. Uusitalo, Georg C. von Alfthan, Tor S. Andersson, Vaino A. Paukku, Lasse S. Kahara | 1983-11-01 |