Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799170 | Method and device in a paper or board machine line for straining paper | John Shakespeare, Taisto Huhtelin, Pasi Kekko, Markku Lummila, Pekka Pakarinen +4 more | 2010-09-21 |
| 6192602 | Method for contact-free drying of a paper web or equivalent | — | 2001-02-27 |
| 6108936 | Method and device for contact-free drying of a paper web or equivalent | — | 2000-08-29 |
| 5863386 | Method and device for washing the drying wire in a paper or board machine | Iikka Eivola | 1999-01-26 |
| 5720852 | Method and device for stabilizing the running of a paper web in connection with a paper guide roll | Raimo Virta | 1998-02-24 |
| 5575084 | Method and device for drying or cooling a paper web | — | 1996-11-19 |
| 5524360 | Method and device for ventilating pocket spaces in a multi-cylinder dryer of a paper machine | Raimo Virta | 1996-06-11 |
| 5509215 | Method and device for stabilization of a paper web in a group of cylinders in a drying section of a paper machine | Vesa Koiranen, Raimo Virta | 1996-04-23 |
| 5214861 | Blow and air-conditioning device for an inverted cylinder group in the drying section of a paper machine | — | 1993-06-01 |
| 5152076 | Method and device in a paper machine | Raimo Virta | 1992-10-06 |
| 5019213 | Method and apparatus in the drying section of a paper making machine for speeding the threading of a paper or paperboard web | Raimo Virta, Reijo Ruottu | 1991-05-28 |
| 4905380 | Method and apparatus in a paper machine single-wire drying group | Pekka Eskelinen, Raimo Virta | 1990-03-06 |
| 4892622 | Method for resisting formation of undulations in a fiber/water mixture during forming of a paper web in a paper-making machine | Raimo Malkki, Paavo Jaatinen, Timo Haverinen, Pekka Eskelinen, Juhani Jokinen +2 more | 1990-01-09 |
| 4882011 | Device for generating negative pressure inside a mantle of a revolving roll | Pekka Eskelinen, Seppo Rantanen | 1989-11-21 |
| 4602439 | Method and apparatus for supporting a web in high-speed paper machines | Pekka Eskelinen | 1986-07-29 |
| 4539762 | Pocket ventilating apparatus for a multi-cylinder dryer of a paper machine | Pekka Eskelinen | 1985-09-10 |