Learn more

ANDRITZ AHLSTROM OY

Overview
  • Total Patents
    114
About

ANDRITZ AHLSTROM OY has a total of 114 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Finland, Sweden and United States. Its main competitors in its focus markets textiles and paper, thermal processes and chemical engineering are AHLSTROM MACHINERY OY, METSO PAPER SWEDEN AB and KVAERNER PULPING TECH.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Pikka Olavi 22
#2 Henricson Kaj 21
#3 Tervola Pekka 13
#4 Matula Jouni 12
#5 Vehmaa Janne 12
#6 Ahvenainen Arto 9
#7 Ljokkoi Risto 8
#8 Qvintus Harri 7
#9 Peltonen Kari 7
#10 Kohonen Raimo 6

Latest patents

Publication Filing date Title
CA2348219A1 Method and apparatus for treating pulp
FI20011087A0 Method and apparatus for pulping
BR0013600A Process for the treatment of pulp with chlorine dioxide
FI20001828A0 Method and apparatus for cooling material
FI20001603A0 Tiivistejõrjestely
FI20001375A0 Method and apparatus for pulping
JP2001316993A Method for treating pulp
FI20001095A Method for treating pulp
US6383342B1 Cluster rule compliance with reduced steam consumption
FI20000426A0 Pulp washing apparatus and apparatus
FI19992809A Devices for treating pulp and its treatment
FI19992804A Equipment for the treatment of pulp and its use
FI19992725A Procedures and devices for controlling short circulation in a paper, cardboard or similar production machine
FI19992515A Method and apparatus for degassing machinery and equipment for the wood processing industry
FI19992303A Process and plant for improved pulp production process
FI19992007A Method and arrangement for processing of sludge
FI19991793A Method for controlling the operation of an inflow system of a paper machine or the like
FI991618A Process for the preparation of pulp
FI991401A0 Method and equipment for improving the pulp production process
FI990959A0 Apparatus for treating pulp and application thereof