Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029091 | Arc furnace bottom construction | — | 2021-06-08 |
| 9884285 | Method for removing dust and sulphur oxides from process gases | Jari Kupari, Pekka Niemelä | 2018-02-06 |
| 6767206 | Arrangement and method for heating gas in a gas duct in connection with continuously operated sintering | Pekka Niemelä, Jouko Pirttimaa, Olavi Tulkki | 2004-07-27 |
| 6764305 | Device for supporting a conveyor belt used in the continuously operated sintering of a material bed | Martti Jankkila, Olavi Tulkki | 2004-07-20 |
| 6739446 | Method for measuring the surface height of a material bed conducted on a conveyor belt to thermal treatment | Pekka Niemelä | 2004-05-25 |
| 6698582 | Belt for the thermal treatment of a continuously operated material bed | Pekka Niemelä, Martti Jankkila | 2004-03-02 |
| 6253927 | Roller screen | Martti Jankkila, Lauri A. Mustikka, Pekka Rantala | 2001-07-03 |
| 6197249 | Apparatus for conducting gas through material to be sintered | Lauri A. Mustikka | 2001-03-06 |