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DUPUIS & CO

Overview
  • Total Patents
    30
About

DUPUIS & CO has a total of 30 patent applications. Its first patent ever was published in 1931. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets chemical engineering, machines and thermal processes are DULKEN CHARLES F, CONTI FULVIO and BIANCALANI & C OFF MEC.

Patent filings in countries

World map showing DUPUIS & COs patent filings in countries

Patent filings per year

Chart showing DUPUIS & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knoblauch Karl 7
#2 Schneiders Friedrich 3
#3 Korsch Alfred 3
#4 Walter Luepertz 1
#5 Jacob Van Der Veen Albert 1
#6 Luepertz Walter 1
#7 Schneiders F 1
#8 Karl Knoblauch 1
#9 Veen Albert Jacob Van Der 1
#10 Korsch A 1

Latest patents

Publication Filing date Title
ES428237A1 Apparatus for treating textile materials
DE2412731A1 Device for fluid treatment of textiles - comprises two concentric cylinders defining annular treatment chamber
DE2335993A1 Device for fluid treatment of textiles - comprises two concentric cylinders defining annular treatment chamber
US3452942A Auxiliary device for star-steaming
FR1446083A Device for spirally winding pieces of fabric and the like