Inventor

RAJALA VELI-MATTI

FI6 patents

⚠️ This page may combine multiple inventors who share the name “RAJALA VELI-MATTI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAMPELLA OY AB

3 patents

US5071543ADec 10, 1991

Method of screening pulp and a screening apparatus

TAMPELLA OY AB13 citations70

US4894147AJan 16, 1990

Device for screening pulp and a blade for the screening device

TAMPELLA OY AB14 citations70

US5102532AApr 7, 1992

Method for controlling pressurized screening devices and pressurized screening device

TAMPELLA OY AB4 citations59

METSO PAPER INC

2 patents

US6740198B2May 25, 2004

Method and arrangement for mixing pulp components in the manufacture of paper

METSO PAPER INC10 citations66

US7735655B2Jun 15, 2010

Screen and method for screening pulp

METSO PAPER INC1 citations48

VALMET CORP

1 patent

US6182478B1Feb 6, 2001

Apparatus for cleaning a suspension, preferably a fiber mass suspension

VALMET CORP1 citations44