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DYK & CO INC VAN

Overview
  • Total Patents
    16
About

DYK & CO INC VAN has a total of 16 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Germany, Australia and United Kingdom. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are KOSMETIK KOM BERLIN VEB, HANEDA TAKEO and KOSMETYKOW POLLENA EWA S A FAB.

Patent filings in countries

World map showing DYK & CO INC VANs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 Australia 4
#3 United Kingdom 3
#4 United States 2
#5 Japan 1
#6 Sweden 1

Patent filings per year

Chart showing DYK & CO INC VANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Conner Donald Edward 4
#2 Connor Donald E 3
#3 Fogel Arnold W 2
#4 Zak H 2
#5 Zak Henry Chester 2
#6 Conner D 2
#7 Ohlsson Ernst 1
#8 Ohlsson E 1
#9 Conner Donald E 1
#10 Fogel Arnold Walter 1

Latest patents

Publication Filing date Title
AU6050473A Quaternary halides of gluconamides
US3855290A Quaternary halides of gluconamides
US3766267A Quaternary halides of gluconamides