Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820336 | Making a powder metal roll end for a heatable roll | Arttu Laitinen, Matti Tervonen, Pekka Koivukunnas, Erkki Leinonen, Hannu Vuorikari +1 more | 2004-11-23 |
| 6821237 | Thermoroll for a paper/board machine or finishing machine and a method for manufacturing the thermoroll | Juha Isometsä, Erkki Leinonen | 2004-11-23 |
| 6708407 | Method for manufacturing a thermoroll for a paper/board machine or a finishing machine | Erkki Leinonen | 2004-03-23 |
| 6708608 | Device and method preventing evaporation of moisture and heat losses in calendering | — | 2004-03-23 |