Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10022759 | Method for refining of in power plants produced coal ash and coal containing ashes produced in other combustion processings | Risto Mannonen | 2018-07-17 |
| 9278358 | Method for refining coal ash by separating carbonous product and regenerating siliceous ash products and use of a carbonous product produced by the method | Risto Mannonen | 2016-03-08 |
| 7922108 | Method for industrial production of especially fine powders | Jarkko Tamminen | 2011-04-12 |
| 7461799 | Method for industrial producing of highly dispersed powders | Jarkko Tamminen | 2008-12-09 |
| 6230995 | Micronizing device and method for micronizing solid particles | Veikko Ilmasti, Hannu L. Suominen | 2001-05-15 |
| 5143303 | Method and equipment for processing of particularly finely divided material | — | 1992-09-01 |
| 4919339 | Method and apparatus for improving the grinding result of a pressure chamber grinder | — | 1990-04-24 |
| 4913684 | Automatic variable transmission for vehicles | Urpo Mantovaara | 1990-04-03 |
| 4811907 | Method and apparatus for improving the grinding result of a pressure chamber grinder | Kaarlo Pyoria, Heikki Korhonen | 1989-03-14 |
| 4768721 | Grinder housing for a pressure chamber grinder | — | 1988-09-06 |
| 4720049 | Feeder device for pressure chamber grinder | — | 1988-01-19 |
| 4586661 | Pressure chamber grinder equipment | — | 1986-05-06 |
| 4546926 | Pressure-chamber grinder | — | 1985-10-15 |
| 4422579 | Feeding device for a jet mill | — | 1983-12-27 |