Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125413 | Method for producing manganese containing ferroalloy | Pasi Mäkelä, Visa Kivinen | 2018-11-13 |
| 9598748 | Method for producing ferroalloy containing nickel | Tuomo Mäkelä, Pekka Niemelä | 2017-03-21 |
| 9359655 | Metallurgical composition for the manufacture of ferrochrome | Pasi Mäkelä | 2016-06-07 |
| 6858176 | Method for sintering ferroalloy materials | Päivi Oikarinen, Timo Lintumaa, Esko Lamula | 2005-02-22 |
| 6063160 | Method for sintering finely divided material | Jorma Daavittila, Päivi Oikarinen | 2000-05-16 |
| 4995051 | Smelting furnace and method for feeding material to be processed therein | Nils H. Hakulin, Risto M. Heikkila, Matti E. Honkaniemi, Launo L. Lilja | 1991-02-19 |
| 4740239 | Process for exploitation of low grade oxidic and iron-bearing complex ores or concentrates | Frans H. Tuovinen, Seppo Heimala, Stig-Erik Hultholm, Risto J. Honkala, Matti E. Honkaniemi | 1988-04-26 |
| 4491952 | Electric furnace dome | Matti E. Honkaniemi, Martti Jankkila, Aimo Nurminen, Matias Virta, Veikko Iisakka +3 more | 1985-01-01 |
| 4413816 | Gas-blast pipe for feeding reaction agents into metallurgical melts | Simo A. I. Makipirtti, Mauri J. Peuralinna, Valto J. Makitalo, Launo L. Lilja | 1983-11-08 |
| 4222786 | Ferrochromium slag for uses requiring refractoriness and mechanical strength | Frans H. Tuovinen, Matti E. Honkaniemi, Matias Virta | 1980-09-16 |
| 4211553 | Method of refining of melts by means of a pulverous solid material and/or a gas | Matti E. Honkaniemi, Launo L. Lilja, Juho K. Makinen, John Henrik Relander, Frans H. Tuovinen | 1980-07-08 |