Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099301 | Feed apparatus for batch preparation feed mixture for feeding into smelting furnace | Matti Elias Honkaniemi, Pekka Niemelä, Martti Jankkila, Launo L. Lilja | 2000-08-08 |
| 6079577 | Loader | — | 2000-06-27 |
| 4995051 | Smelting furnace and method for feeding material to be processed therein | Nils H. Hakulin, Matti E. Honkaniemi, Helge Krogerus, Launo L. Lilja | 1991-02-19 |
| 4708640 | Apparatus for batch preparation and feeding into the smelting process | Matti E. Honkaniemi, Lauri A. Mustikka, Martti Jankkila, Pentti O. Hokkanen, Launo L. Lilja | 1987-11-24 |
| 4705474 | Method and apparatus for batch preparation and feeding into the smelting process | Matti E. Honkaniemi, Lauri A. Mustikka, Martti Jankkila, Pentti O. Hokkanen, Launo L. Lilja | 1987-11-10 |
| 4622677 | Method and device for clamping the electrode contact shoes around the electrode of an electric furnace | Heikki Tuovinen, Kauko K. Rinne, Matti E. Honkaniemi, Martti Jankkila | 1986-11-11 |
| 4464764 | Device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge | Frans H. Tuovinen, Bengt F. Norrman, Matti E. Honkaniemi | 1984-08-07 |
| 4458352 | Method and device providing mobility to a contact shoe independent of an electrode in an electric-arc furnace | Frans H. Tuovinen, Martti Jankkila, Bengt J. F. Norrman, Matti E. Honkaniemi | 1984-07-03 |
| 4443878 | Method of mixing a hot furnace gas with another gas before the removal of the furnace gas from the furnace and a hood therefore | Frans H. Tuovinen, Bengt J. F. Norrman | 1984-04-17 |