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LOUIS DUFAY

Overview
  • Total Patents
    30
About

LOUIS DUFAY has a total of 30 patent applications. Its first patent ever was published in 1907. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets optics, consumer goods and machines are TULALIP CONSULTORIA COM SOCIED, HERMAN CHRISTENSEN JENS and MCCURDY ARTHUR W.

Patent filings in countries

World map showing LOUIS DUFAYs patent filings in countries
# Country Total Patents
#1 France 12
#2 United Kingdom 6
#3 Germany 5
#4 United States 5
#5 Austria 1
#6 Belgium 1

Patent filings per year

Chart showing LOUIS DUFAYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Dufay Louis 12
#2 Louis Dufay 5

Latest patents

Publication Filing date Title
GB445838A Improvements in metallised carriers
US1996539A Method of decorating objects and decorated objects obtained by means of these methods
GB416350A Method of decorating objects and decorated objects obtained by means of these methods
US1839956A Color printing
GB307437A Improvements in or relating to colour photography and kinematography
DE485930C Process for the production of plates or films for color photographic transparent and reflective images by means of multicolor screens
US1552126A Method of manufacturing polychrome screens for color photography and cinematography
GB217557A Improvements in or relating to colour photography
US1631524A Process for photographic printing in colors
GB222697A Improvements in processes for decorating or producing designs on fabrics