RP

Raimo Pitkanen

AA A. Ahlstrom: 4 patents #25 of 166Top 20%
Overall (All Time): #1,056,435 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5403442 Method of deaerating and pumping a fiber suspension prior to washing Kaj Henricson 1995-04-04
5323914 Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping Kaj Henricson, Pentti Vikio 1994-06-28
5240621 Method and apparatus for improving flotation separation Jorma Elonen, Harry Erlund, Kaj Henricson, Pasi Immonen, Raimo Kohonen +3 more 1993-08-31
5234480 Method and apparatus for decreasing problems caused by residual or reaction gases or gases harmful to a process Kaj Henricson 1993-08-10
5219472 Method of treating a fiber suspension Jorma Elonen, Kaj Henricson, Olavi Pikka 1993-06-15