Learn more

AHLSTROM MACHINERY OY

Overview
  • Total Patents
    239
About

AHLSTROM MACHINERY OY has a total of 239 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Finland, Canada and United States. Its main competitors in its focus markets textiles and paper, chemical engineering and environmental technology are SUNDS DEFIBRATOR PORI OY, ANDRITZ AHLSTROM OY and ANDRITZ OY.

Patent filings per year

Chart showing AHLSTROM MACHINERY OYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henricson Kaj 51
#2 Pikka Olavi 36
#3 Qvintus Harri 17
#4 Tervola Pekka 17
#5 Ljokkoi Risto 15
#6 Vikioe Pentti 14
#7 Engdahl Holger 11
#8 Vehmaan-Kreula Juhani 10
#9 Ryham Rolf 8
#10 Kiiskila Erkki 8

Latest patents

Publication Filing date Title
FI19991816A Method and apparatus for pulping
FI19991817A Method and apparatus for pulping
FI991579A Pulp boiling process and apparatus
FI990799A0 Procedure for controlling the content of foreign matter in lime circulation
FI990671A Processes and devices for processing filler-containing material such as recycled fiber
FI990182A0 Pulp filter or washer and useful seal therein
FI990127A0 Process for treating pulp
FI990093A0 Method and apparatus for separating desirability
FI981798A0 Method and apparatus for pretreating paper pulp
FI981803A0 Procedure for preventing precipitation formation
US5960962A Screen
FI981520A0 Method for making pulp
FI981046A0 A method for removing nitrogen oxides from the flue gases of a recovery boiler
FI980639A0 Foerfarande och anlaeggning Foer behandling av massa
WO9843017A1 Recovery boiler for combustion of waste liquors
FI980523A0 Sealant
CA2231278A1 Protection of the air ports of a recovery boiler
FI980481A0 Method and apparatus for treating pulp
CA2229973A1 Method of inhibiting scaling in black liquor evaporators
AU5865398A Feeding of washing liquid in a pulp washer