Inventor
LEHTO ARI
FI29 patents
⚠️ This page may combine multiple inventors who share the name “LEHTO ARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VAISALA OY
13 patentsUS5561523AOct 1, 1996
Electrically tunable fabry-perot interferometer produced by surface micromechanical techniques for use in optical material analysis
VAISALA OY229 citations98
US5646729AJul 8, 1997
Single-channel gas concentration measurement method and apparatus using a short-resonator Fabry-Perot interferometer
VAISALA OY209 citations97
US5827438AOct 27, 1998
Electrically modulatable thermal radiant source with specific filament
VAISALA OY77 citations94
US5369278ANov 29, 1994
Calibration method for gas concentration measurements
VAISALA OY21 citations92
US4500940AFeb 19, 1985
Capacitive humidity sensor and method for the manufacture of same
VAISALA OY28 citations89
US4924064AMay 8, 1990
Method for trimming a planar capacitor
VAISALA OY22 citations75
US5160843ANov 3, 1992
Apparatus and method for measuring gas concentrations
VAISALA OY9 citations74
US4991424AFeb 12, 1991
Integrated heatable sensor
VAISALA OY16 citations74
US4928530AMay 29, 1990
Pressure transducer
VAISALA OY19 citations74
US4597027AJun 24, 1986
Capacitive pressure detector structure and method for manufacturing same
VAISALA OY14 citations74
US5083234AJan 21, 1992
Multilayer transducer with bonded contacts and method for implementation of bonding
VAISALA OY7 citations72
US5178462AJan 12, 1993
Method and apparatus for measurement of dewpoint of gases
VAISALA OY2 citations63
US5080494AJan 14, 1992
Method and apparatus for measurement of dewpoint of gases
VAISALA OY3 citations63
METSO PAPER INC
6 patentsUS6443880B2Sep 3, 2002
Arrangement for removing oil in a roll
METSO PAPER INC26 citations86
US6662630B2Dec 16, 2003
Method for measuring slide bearing pressure in a deflection-compensated roll with a fixed shell
METSO PAPER INC8 citations72
US7883454B2Feb 8, 2011
Inner elongated structure of the roll of a paper/board machine or finishing machine
METSO PAPER INC1 citations48
US7022056B2Apr 4, 2006
Roll in a paper or board machine
METSO PAPER INC0 citations40
US6699164B1Mar 2, 2004
Method for providing a roll for a paper machine with sliding bearings and a roll for a paper machine with sliding bearings
METSO PAPER INC0 citations38
US6692421B2Feb 17, 2004
End packing for a deflection compensated roll
METSO PAPER INC0 citations32