Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703437 | Method and apparatus for monitoring particles | Antti Rostedt, Jorma Keskinen, Erkka Saukko | 2023-07-18 |
| 10760997 | Apparatus and process for measuring characteristics of particle flow | Erkka Saukko | 2020-09-01 |
| 10424469 | Apparatus and method for particle measurement | — | 2019-09-24 |
| 9683962 | Apparatus for monitoring particles in an aerosol | — | 2017-06-20 |
| 9574986 | Apparatus and process for producing acknowledged air flow and the use of such apparatus in measuring particle concentration in acknowledged air flow | — | 2017-02-21 |
| 9028589 | Method and device for gas cleaning | Ari Laitinen, Jorma Keskinen | 2015-05-12 |
| 8717550 | Method and device for detecting biological material | Jorma Keskinen, Matti Putkiranta, Sampo Saari, Katja Bengtsson | 2014-05-06 |
| 7624596 | Method for the preparation of doped oxide material | Markku Rajala | 2009-12-01 |
| 7406855 | Method and a sensor device for measuring particle emissions from the exhaust gases of a combustion engine | Juha Tikkanen, Mikko Moisio, Kimmo Pietarinen, Jorma Keskinen, Antti Rostedt | 2008-08-05 |
| 6230664 | Method and arrangement for supplying air to a fluidized bed boiler | Matti Ylitalo, Tuomo Ruohola | 2001-05-15 |
| 6006683 | Method and arrangement for supplying air to recovery boiler | Matti Ylitalo, Tuomo Ruohola | 1999-12-28 |
| 4193296 | Method and an instrument for the measurement of the flow rate of gases based on ionization | — | 1980-03-18 |