PH

Pertti Heikkila

MP Metso Paper: 9 patents #19 of 678Top 3%
VA Valmet Aktiebolag: 7 patents #19 of 408Top 5%
OA Oy Tampella Ab: 1 patents #52 of 124Top 45%
Overall (All Time): #185,995 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7993491 End part of an air dryer, air dryer, method in the end part of an air dryer and use of fan Johan Lindholm, Markku Laitonen, Richard Solin 2011-08-09
7429310 Method, arrangement and equipment for tensioning and guiding a fabric in a paper or board machine Erkki Kärkkäinen, Erkka Nieminen, Samppa Salminen, Veli-Matti Vainio 2008-09-30
6942760 Arrangement in the wet end of a paper machine Antti Poikolainen, Ari Puurtinen 2005-09-13
6598315 Nozzle arrangement in airborne web-drying and method for improving heat transfer in airborne web-drying Richard Solin 2003-07-29
6533900 Device in a paper machine for transfer of the web from the former section to the press section Janne Puustinen, Samppa Salminen, Ari Puurtinen, Antti Poikolainen, Jorma Laapotti +1 more 2003-03-18
6511015 Method and apparatus for stabilizing the running of a web in a paper machine or a like Olli Huhtala, Heli Kankare, Richard Solin 2003-01-28
6372094 Pulp drying line and method for drying pulp Paavo Sairanen 2002-04-16
6311410 Method and device for drying a coated web Kari Juppi, Pasi Rajala 2001-11-06
6289607 Flotation dryer unit and method of use Rami Aaltonen, Roland Banecki, Bertel Karlstedt, Richard Solin 2001-09-18
6214168 Method and device in a paper machine for transfer of the web from the former section to the press section Janne Puustinen, Samppa Salminen, Ari Puurtinen, Antti Poikolainen, Jorma Laapotti +1 more 2001-04-10
6154981 Method and apparatus for improving the drying capacity of a hood covering a yankee cylinder Nenad Milosavljevic 2000-12-05
6070655 Heat exchanger 2000-06-06
5961784 Method for reducing the consumption of fresh water in a paper mill by means of a cooling tower Henrik Pettersson, Iikka Sipila, Markku-Juhani Olavi SAARINEN, Rainer Gartz 1999-10-05
5771602 Method and device for drying a coating on a paper web or equivalent Bertel Karlstedt 1998-06-30
5666740 Hood for a wire part and for a press section Antti Leinonen, Henrik Pettersson, Risto Salminen, Hannu Niemikko, Juha Kivimaa +2 more 1997-09-16
5653041 Drying method and drying module as well as dryer sections that make use of same, in particular for a high-speed paper machine Antti Ilmarinen, Antti Kuhasalo, Heikki Ilvespaa, Jouko Yli-Kauppila, Ilkka Jokioinen +6 more 1997-08-05
5471766 Method in contact-free air-drying of a material web as well as a nozzle-blow-box and a pulp dryer that make use of the method Ilkka Jokioinen 1995-12-05
5299364 Arrangement and method for treatment of webs using nozzles with negative pressure Jaakko Rintanen 1994-04-05
5199623 Device for supporting, turning and spreading of a web Raimo Rajala, Jukka Parvinen, Bertel Karlstedt, Ilkka Jokioinen 1993-04-06
5163236 Method and apparatus for drying webs 1992-11-17
4936025 Combination infrared and airborne drying of a web 1990-06-26
4899463 Method and device in a cylinder dryer of a paper machine Markku Karlsson, Hannu Kokkala 1990-02-13
4576525 Method and equipment for performing rock bolting Onni Issakainen 1986-03-18