HS

Håkan Sjöström

VO Valmet Oy: 9 patents #3 of 176Top 2%
MP Metso Paper: 2 patents #177 of 678Top 30%
SA Stora Kopparbergs Bergslags Ab: 1 patents #8 of 19Top 45%
Google: 1 patents #14,769 of 22,993Top 65%
Overall (All Time): #366,054 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12410558 Blade segment for refiner Marko Loijas, Tomi Iisakkila 2025-09-09
11898310 Device for mechanically processing lignocellulose-containing fibrous material Petteri Vuorio 2024-02-13
11732587 Blade element Tuomas Himanka 2023-08-22
11142869 Blade segment for refiner Marko Loijas, Matti Kaarineva, Tomi Iisakkila, Markku Partanen 2021-10-12
10464068 Blade element for refiner Matti Kaarineva, Tomi Iisakkila, Marko Loijas, Marcus Sjölund, Karl Lönngren 2019-11-05
9765479 Blade segment of disc refiner Matti Kaarineva, Tomi Iisakkila 2017-09-19
9222219 Blade element Petteri Vuorio, Ville Ruola, Anders Hawen, Peter Bergqvist, Christer Hedlund 2015-12-29
9222220 Refiner and blade element Kati Lindroos, Matti Kaarineva, Tomi Iisakkila 2015-12-29
9133579 Refiner and blade element Kati Lindroos, Matti Kaarineva, Tomi Iisakkila 2015-09-15
7934672 Refiner blade and segment, as well as a method of forming them and a method of modifying blade grooves Timo Kononen 2011-05-03
7419112 Refining surface and a blade segment for a refiner Vesa Arjanmaa, Per Froberg, Petteri Vuorio, Nils Virving, Juha-Pekka Huhtanen +1 more 2008-09-02
6221212 Cardboard having great reigidity 2001-04-24
5208286 Cross-linkable ethylene-vinyl alcohol-acrylate polymer and method of producing the same Kenneth Ekman, Veijo Turpeinen, Kirsi Pulliainen 1993-05-04