Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7536806 | Arrangement in a paper machine | Kari Juppi, Antti Komulainen, Markku Lummila, Martti Salminen, Riikka Antikainen +1 more | 2009-05-26 |
| 7364643 | Forming of a paper or board web in a twin-wire former or in a twin-wire section of a former | Antti Poikolainen, Jeffrey C. Irwin, Hannu Korhonen, Ari Puurtinen, Sami Anttilainen | 2008-04-29 |
| 6669820 | Twin-wire former | — | 2003-12-30 |
| 6517685 | Process arrangement for short circulation | Jyrki Huovila | 2003-02-11 |
| 6270624 | Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox | Jyrki Huovila, Erkki Ilmoniemi, Antti Suonpera | 2001-08-07 |
| 5833809 | Twin-wire former | — | 1998-11-10 |
| 5798024 | Controlling web anistropy in a roll and blade twin-wire gap former | Lauri Verkasalo | 1998-08-25 |
| 5759353 | Web former in a paper machine | Jyrki Jaakkola | 1998-06-02 |
| 5688372 | Method and device in the regulation of a headbox | Jyrki Huovila, Ari Linsuri, Petri Nyberg | 1997-11-18 |
| 5599427 | Twin-wire web former in a paper machine | Mauri Koivuranta | 1997-02-04 |
| 5582687 | Web former for a paper machine | Pekka Evasoja, Jyrki Jaakkola, Jouko Aula | 1996-12-10 |
| 5569360 | Multi-layer headbox | Jyrki Huovila, Petri Nyberg | 1996-10-29 |
| 5545293 | Method and device in the regulation of a headbox | Jyrki Huovila, Ari Linsuri, Petri Nyberg | 1996-08-13 |
| 5536372 | Web former for a paper machine with spring blade loading device | Pekka Evasoja, Jyrki Jaakkola, Jouko Aula | 1996-07-16 |
| 5490905 | Method in the regulation of a multi-layer headbox and a multi-layer headbox | Jyrki Huovila, Petri Nyberg | 1996-02-13 |
| 5480513 | Method and device for controlling a wire in a forming gap of a web former | Juhani Niskanen | 1996-01-02 |
| 5395484 | Twin wire web former for a paper machine | Pekka Evasoja, Jyrki Jaakkola, Jouko Aula | 1995-03-07 |
| 5215628 | Twin-wire web former in a paper machine | Mauri Koivuranta, Erkki Partanen, Lauri Verkasalo | 1993-06-01 |
| 5211814 | Wire loading device in a paper machine | Jyrki Jaakkola | 1993-05-18 |
| 5110416 | Turbulence generator in the headbox of a papermaking machine | Ari Linsuri | 1992-05-05 |
| 4917766 | Hybrid former for a paper machine | Mauri Koivuranta | 1990-04-17 |