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DUFFOUR & IGON

Overview
  • Total Patents
    25
About

DUFFOUR & IGON has a total of 25 patent applications. Its first patent ever was published in 1985. It filed its patents most often in EPO (European Patent Office), Monaco and Portugal. Its main competitors in its focus markets mechanical elements, machines and medical technology are TWIN BAY MEDICAL INC, PALEY HYMAN W and COLDER PROD CO.

Patent filings in countries

World map showing DUFFOUR & IGONs patent filings in countries

Patent filings per year

Chart showing DUFFOUR & IGONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vigneau Jean-Louis 18
#2 Trenque Pierre 17
#3 Rivoire Bruno 9
#4 Vigneau Jean L 1

Latest patents

Publication Filing date Title
EP0230184A1 Pipe with a safety coupling, particularly for medical uses
IE860079L Fluid distribution connector,in particular for hospitals
PT81544A Dispenser for cylindrical objects
FI854422A0 Foerfarande och anordning foer att uppvaerma gas.