Inventor
PITKANEN RAIMO
FI4 patents
Patents
4 patentsUS5240621AAug 31, 1993
Method and apparatus for improving flotation separation
AHLSTROEM OY22 citations89
US5219472AJun 15, 1993
Method of treating a fiber suspension
AHLSTROEM OY17 citations72
US5234480AAug 10, 1993
Method and apparatus for decreasing problems caused by residual or reaction gases or gases harmful to a process
AHLSTROEM OY10 citations71
US5323914AJun 28, 1994
Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping
AHLSTROEM OY6 citations60