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VAAHTO OY

Overview
  • Total Patents
    95
About

VAAHTO OY has a total of 95 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Finland, EPO (European Patent Office) and United States. Its main competitors in its focus markets textiles and paper, mechanical elements and machine tools are VALMET KARHULA INC, PERM VNII TSELLYULOZNO BUMAZHN and EMA DOERRIES.

Patent filings in countries

World map showing VAAHTO OYs patent filings in countries

Patent filings per year

Chart showing VAAHTO OYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aho Erkki 52
#2 Kronholm Harri 13
#3 Laari Aki 8
#4 Vaahto Antti 6
#5 Erkki Aho 5
#6 Lehmus Ismo 4
#7 Harri Kronholm 3
#8 Nieminen Erkka 2
#9 Pullinen Jukka 2
#10 Aki Laari 2

Latest patents

Publication Filing date Title
WO2012080572A2 Method and apparatus for grinding a cylindrical workpiece
FI20115312A0 Dilution supply channel
EP1975312A1 Method and apparatus in a paper or board machine for confining pulp flow from the headbox
EP1816364A1 Coupling apparatus
EP1801285A1 Press roll
EP1722126A2 Method and apparatus for balancing a tubular piece, such as a roll
FI20051274A0 Connection structure with a pair of rollers
FI20051174A0 Arrangement in an inlet box
FI20051006A0 Arrangement in press roll and press roll
FI20055207A0 Procedure and apparatus in connection with an inlet box in a paper machine
FI20050045A0 Device in a paper or cardboard machine for limiting the mass flow from the inlet box
FI20041580A0 Arrangement in the headbox
FI20040625A Device for controlling medium flow
FI20040263A0 Device for loading a shoe press
FI20040264A0 Method and apparatus for shoe press
FI20030300A0 Hardware in the wire section of a paper or pulp machine
FI20021495A0 Method and apparatus for shoe press
FI20021494A0 Shoe press shoe
FI20021496A0 The cylinder-piston unit
FI20021493A0 Shoe press loading device