Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428655 | Integrated paper machine | — | 2002-08-06 |
| 6193840 | Method for producing surface-treated paper | Seppo Elijoki, Heikki Ilvespaa, Antti Kuhasalo | 2001-02-27 |
| 6126787 | Dry end of a paper machine | Seppo Elijoki, Heikki Ilvespaa, Antti Kuhasalo | 2000-10-03 |
| 6003245 | Method for optimizing of evaporation drying of paper, runnability, and of paper quality as well as dryer section that makes use of the method in a paper machine | Juha Lipponen, Martti Salminen, Juha Kaihovirta | 1999-12-21 |
| 5983787 | Method for calendering a paper web and a calendar that makes use of the method | Ari Linsuri, Pekka Kivioja, Timo Nyberg | 1999-11-16 |
| 5862613 | Paper machine and methods for drying a paper web | Jouko Yli-Kauppila | 1999-01-26 |
| 5775001 | Dryer sections of a paper machine | Jouko Yli-Kauppila | 1998-07-07 |
| 5756156 | Method for producing surface-treated paper and dry end of a paper machine | Seppo Elijoki, Heikki Ilvespaa, Antti Kuhasalo | 1998-05-26 |
| 5630285 | Methods for drying a paper web | Jouko Yli-Kauppila | 1997-05-20 |
| 5611892 | Compact press section in a paper machine | Mikko Karvinen, Jorma Laapotti, Juhani Pajula | 1997-03-18 |
| 5603806 | Method and apparatus for lateral alignment of the cross-direction quality profile of a web in a paper machine | — | 1997-02-18 |
| 5586397 | Dryer sections of a paper machine | Jouko Yli-Kauppila | 1996-12-24 |
| 5557856 | Arrangement for the space underneath a dryer section of a paper machine | — | 1996-09-24 |
| 5534116 | Compact press section with closed draw of the web in a paper machine | Mikko Karvinen, Jorma Laapotti, Juhani Pajula | 1996-07-09 |
| 5465505 | Inverted dryer group in a multi-cylinder dryer in a paper machine | — | 1995-11-14 |
| 5393383 | Compact press section with closed draw of the web in a paper machine | Mikko Karvinen, Jorma Laapotti, Juhani Pajula | 1995-02-28 |
| 5388347 | Dryer section in a paper machine | Jouko Yli-Kauppila | 1995-02-14 |
| 5240563 | Compact press section with closed draw of the web in a paper machine | Mikko Karvinen, Jorma Laapotti, Juhani Pajula | 1993-08-31 |
| 5044094 | Drying section apparatus for a paper making machine | Heikki Ilvespaa, Allan Liedes | 1991-09-03 |
| 4919760 | Web former for a paper machine | — | 1990-04-24 |
| 4888883 | Drawing a web through a multi-cylinder drying section | — | 1989-12-26 |
| 4693784 | Suction roll and method for applying a negative pressure over a sector of a roll | Jouko Aula | 1987-09-15 |
| 4692215 | Apparatus for conveying a web lead-in strip in a paper machine | — | 1987-09-08 |
| 4684443 | Apparatus for guiding a web leader in a paper machine | Olavi Viitanen | 1987-08-04 |
| 4542593 | Apparatus for improving heat transfer in drying cylinders of a paper machine and method for assembling the same | Olavi Viitanen | 1985-09-24 |