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HENRI DUPUY

Overview
  • Total Patents
    12
About

HENRI DUPUY has a total of 12 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets basic materials chemistry, chemical engineering and environmental technology are DIDIER KELLOGG IND GMBH, RUDOLF DRAWE DR ING and ROGGERO ENRICO.

Patent filings in countries

World map showing HENRI DUPUYs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Germany 2
#3 United States 2

Patent filings per year

Chart showing HENRI DUPUYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henri Dupuy 2

Latest patents

Publication Filing date Title
GB499913A Improvements in and relating to gas producers for use with internal combustion engines and regulating means therefor
GB446377A Improved furnace
US2113831A Combustion apparatus
GB375250A A new or improved process for the distillation of solid fuels
GB289425A Apparatus for the distillation of solid matters
GB213586A Apparatus for the distillation of solid or liquid matters
GB213560A An improved process for the manufacture of compressed or artificial fuel and fuel manufactured by such process
GB198661A Apparatus for the distillation of solid or liquid substances
US1551814A Apparatus for the distillation of solid or liquid substances
GB192418A Perforated smokeless fuel briquette and process of manufacture thereof