Learn more

DULEVO INT SPA

Overview
  • Total Patents
    57
About

DULEVO INT SPA has a total of 57 patent applications. Its first patent ever was published in 1989. It filed its patents most often in EPO (European Patent Office), United States and China. Its main competitors in its focus markets civil engineering, transport and furniture and games are VANDERLINDEN ROGER P, AIR FORCE LTD and MELFORD ENG LTD.

Patent filings in countries

World map showing DULEVO INT SPAs patent filings in countries

Patent filings per year

Chart showing DULEVO INT SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tagliaferri Fabrizio 39
#2 Scita Michele 5
#3 Fabrizio Tagliaferri 5
#4 Zoni Sergio 3
#5 Michele Scita 2
#6 Tagliaferri Fabrizio Dr Ing 2
#7 Dr Tagliaferri Fabrizio 1

Latest patents

Publication Filing date Title
EP2505716A1 A covering device for cup-shaped brush and the like
EP1980668A1 Road sweeping machine including an improved filter device
EP1918151A2 Self-propelled vehicle for cleaning roads and the like
EP1876302A1 Self-propelled apparatus for cleaning roads and urban areas
EP1772564A1 Cleaning unit of roads and the like
EP1772562A1 Device for suction of waste and similar
EP1772563A1 Device for suction of waste and contaminating substances from the ground
EP1772561A1 Protective structure for brushes of sweeping machines
EP1481859A1 Battery holding frame, in particular for an electrically driven sweeping machine
EP1482093A2 Rotating brush controlling apparatus in a floor sweeping machine
EP0922809A1 Conveyor for handling refuse in a street sweeping machine
US5715567A Vehicle for dust and trash collecting
EP0735195A1 Sucking and filtering vehicle for dust and trash collecting
EP0448824A1 Washing machine for wide surfaces, in particular for industrial floorings
EP0448804A1 Housing and collecting device of washing liquids for washing machines used for floorings and wide surfaces
EP0342504A1 Filtering and collecting device of solid and powder refuse for industrial and civil suction apparatus