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WAERTSILAE OY AB

Overview
  • Total Patents
    1,568
About

WAERTSILAE OY AB has a total of 1,568 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Finland, Sweden and Germany. Its main competitors in its focus markets civil engineering, machines and packaging and shipping are IDEAL SECURITY HARDWARE CO, HSU YUN TUNG and RUSSELL & ERWIN MFG CO.

Patent filings per year

Chart showing WAERTSILAE OY ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eklund Dan 47
#2 Martikainen Kaarlo 47
#3 Koutonen Pauli 35
#4 Oldfelt Sven 25
#5 Oinonen Hannu 24
#6 Tomma Kauko 24
#7 Nabb Elis 24
#8 Paro Daniel 23
#9 Eggert Stig 23
#10 Lehikoinen Keijo 20

Latest patents

Publication Filing date Title
CA2032882A1 Vacuum sewer arrangement
FI895744A0 Foerfarande foer minskning av avgasernas nox hos en foerbraenningsmotor.
FI893994A0 Vattenklosett.
US5245711A Vacuum toilet system
FI891856A0 Insprutningsventilarrangemang foer dual fuel-motorer.
FI891855A0 Styrsystem foer inmatning av gasbraensle vid en foerbraenningsmotor.
US5002592A Waste tank for a vacuum sewage system
US5007117A Vacuum toilet system with simultaneous rinse and discharge
US4967035A Method for testing different substances and a combustion engine for applying the method
SE8803119D0 Aircraft vacuum toilet and washing basin system
FI882534A0 Flamslaeckare.
FI882532A0 Taetningskonstruktion.
FI882535A0 Weave for an engine
FI882500A0 System foer oeverfoeringsfoerbindelseorganets uppbaerande och skyddande.
FI882275A0 Distribution and control valve for fuel injection pump
US4865631A Vacuum sewage system
US4795273A Propeller shaft bearing arrangement
FI873035A0 Foerfarande och arrangemang foer optimering av funktionen hos en doerrstaengare.
FI872421A0 Arrangemang foer sidolucka.
FI872417A0 Flamslaeckare.