Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067040 | Headbox of paper machine or such | Hannu Lepomäki, Maarit Tukiainen | 2006-06-27 |
| 6562196 | Method for optimizing the degree of flocculation | Juha Kinnunen, Hannu Korhonen, Mari Taipale, Ari Puurtinen, Pekka Pakarinen | 2003-05-13 |
| 6544387 | Multi-layer headbox for a paper/board machine | Juha Kinnunen, Ari Linsuri, Petri Nyberg | 2003-04-08 |
| 6517685 | Process arrangement for short circulation | Michael Odell | 2003-02-11 |
| 6432275 | Headbox of a paper/board machine by whose means the basis weight of the web can be regulated | Petri Nyberg, Antti Suoperä, Tapani Nyman | 2002-08-13 |
| 6270624 | Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox | Erkki Ilmoniemi, Michael Odell, Antti Suonpera | 2001-08-07 |
| 6210535 | Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox | Ari Linsuri | 2001-04-03 |
| 6030500 | Arrangement for feeding stock to a headbox in a papermaking machine | N. Ulf A. Haraldsson, Ingvar Klerelid, Louise M. Tornefalk | 2000-02-29 |
| 5853545 | Arrangement for feeding stock to a headbox in a papermaking machine | N. Ulf A. Haraldsson, Ingvar Klerelid, Louise M. Tornefalk | 1998-12-29 |
| 5843281 | Headbox of a paper machine with edge feed arrangements | — | 1998-12-01 |
| 5825653 | Method for overall regulation of a former of a paper machine or equivalent | Jari Hamalainen, Petri Nyberg, Pekka Pakarinen | 1998-10-20 |
| 5814191 | Arrangement and method for combining a dilution flow with a stock flow passed out of an inlet header in a paper/board machine | — | 1998-09-29 |
| 5746889 | Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox | Ari Linsuri | 1998-05-05 |
| 5688372 | Method and device in the regulation of a headbox | Ari Linsuri, Petri Nyberg, Michael Odell | 1997-11-18 |
| 5674363 | Method and device in the regulation of a headbox | Petri Nyberg, Olavi Viitanen | 1997-10-07 |
| 5626722 | Headbox of a paper/board machine | — | 1997-05-06 |
| 5617896 | Valve having a closure member for creating flow turbulence in the valve | Jouko Tornberg, Pekka Kivipelto, Jouni Pyotsia | 1997-04-08 |
| 5569360 | Multi-layer headbox | Petri Nyberg, Michael Odell | 1996-10-29 |
| 5545293 | Method and device in the regulation of a headbox | Ari Linsuri, Petri Nyberg, Michael Odell | 1996-08-13 |
| 5490905 | Method in the regulation of a multi-layer headbox and a multi-layer headbox | Petri Nyberg, Michael Odell | 1996-02-13 |