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LT PURISTUS OY

Overview
  • Total Patents
    12
About

LT PURISTUS OY has a total of 12 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Finland, Canada and Sweden. Its main competitors in its focus markets civil engineering are MO G GORNYJ UNI, AGE MINING SERVICES PTY LTD and KRASNOLUCHSK MASHINOSTR.

Patent filings in countries

World map showing LT PURISTUS OYs patent filings in countries

Patent filings per year

Chart showing LT PURISTUS OYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Mining

Top inventors

# Name Total Patents
#1 Tuppurainen Lea 9
#2 Tuppurainen Lea Tuulikki 3

Latest patents

Publication Filing date Title
FI20060794A0 Fire extinguishing method and apparatus
FI20011014A0 Turpeenhyödyntämismenetelmä
FI990850A0 The method of drying peat
FI953604A0 Peat production method
FI934070A0 Process for the extraction of peat
FI883324A0 Torvproduktionsfoerfarande ii foer anvaendning aoret runt.
FI871598A0 Skaerningsapparat.
FI850810A0 FOERFARANDE Foer TORVPRODUKTION.
FI824193A0 Peat production device