Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560123 | Method and device for ensuring the run of the web in the multi-cylinder dryer of a papermachine | — | 1996-10-01 |
| 5554439 | Coating composition and coating film composition | Ken Ohkura, Satoru Matsuzaki | 1996-09-10 |
| 5475934 | Method and device for ensuring the run of the web in the multi-cylinder dryer of a papermachine | Timo Haverinen | 1995-12-19 |
| 5076849 | Transparent metal oxide pigment and method for its preparation | Pekka Vapaaoksa | 1991-12-31 |
| 4953297 | Method of and device for pocket ventilation in the drying section of a paper machine, in particular for high-speed paper machines | Pentti Raatikainen, Markku Karlsson, Raimo Virta | 1990-09-04 |
| 4905380 | Method and apparatus in a paper machine single-wire drying group | Raimo Virta, Vesa Vuorinen | 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, Juhani Jokinen, Vesa Vuorinen +2 more | 1990-01-09 |
| 4892621 | Method and device for measuring permeability/penetrability of fabric in a paper machine | — | 1990-01-09 |
| 4883539 | Coated silicate particles | Harri Mattila | 1989-11-28 |
| 4882011 | Device for generating negative pressure inside a mantle of a revolving roll | Vesa Vuorinen, Seppo Rantanen | 1989-11-21 |
| 4694587 | Method and apparatus in a twin-wire cylinder drying section of a paper machine | — | 1987-09-22 |
| 4602439 | Method and apparatus for supporting a web in high-speed paper machines | Vesa Vuorinen | 1986-07-29 |
| 4551203 | Method and arrangement for guiding a paper web from the press section to the drying section | — | 1985-11-05 |
| 4543160 | Method and device for guiding the leader of the web in the drying section of a paper machine | Reima Kerttula | 1985-09-24 |
| 4539762 | Pocket ventilating apparatus for a multi-cylinder dryer of a paper machine | Vesa Vuorinen | 1985-09-10 |
| 4536970 | Procedure for boosting the ventilation in the hood of a paper machine | — | 1985-08-27 |
| 4516330 | Method and apparatus for the drying section of a paper machine | Matti Nurmio | 1985-05-14 |
| 4416070 | Air-directing device for multiple cylinder dryer of paper machine | Timo Vedenpa, Yngve Lindstrom, Jorma Kotanen | 1983-11-22 |