Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899002 | Method and arrangement for utilizing energy of drying apparatus for fiber web | Jukka Lehtinen, Jarmo Puumalainen | 1999-05-04 |
| 5878506 | Arrangement in an apparatus for drying a fiber web | — | 1999-03-09 |
| 5778555 | Apparatus for drying and smoothing a fibre web | Jukka Lehtinen, Taisto Juntunen | 1998-07-14 |
| 5706587 | Apparatus for drying a fibre web | Jukka Lehtinen, Jari Ilomäki | 1998-01-13 |
| 5604995 | Wire seal for a drying space in a drying apparatus | Jukka Lehtinen, Seppo Haavisto | 1997-02-25 |
| 5566472 | Seal for use at band edges in a drying space of a drying apparatus | Jukka Lehtinen, Seppo Haavisto | 1996-10-22 |
| 5471765 | Arrangement in a dryer for a fibre web | Jari Ilomäki, Jukka Lehtinen | 1995-12-05 |
| 4958444 | Apparatus for drying a fibre web | Jukka Lehtinen, Pekka Majaniemi | 1990-09-25 |
| 4887362 | Method and an apparatus for drying a paper web or the like | — | 1989-12-19 |
| 4787641 | Arrangement for sealing a chamber containing pressure medium | Pekka Majaniemi, Jukka Lehtinen | 1988-11-29 |
| 4708011 | Apparatus and method for determining the properties of fiber pulp | Risto Manttari, Heikki Liimatainen, Heikki Pernu, Heikki Tuomainen, Hannu Rusanen | 1987-11-24 |