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HULL & CO R O

Overview
  • Total Patents
    39
About

HULL & CO R O has a total of 39 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Germany, Japan and United Kingdom. Its main competitors in its focus markets surface technology and coating, machines and organic fine chemistry are SUR PREC METAL TECHNOLOGY CO LTD, TOUSETSU KK and PAVCO INC.

Patent filings in countries

World map showing HULL & CO R Os patent filings in countries
# Country Total Patents
#1 Germany 10
#2 Japan 10
#3 United Kingdom 7
#4 France 6
#5 Australia 4
#6 Brazil 2

Patent filings per year

Chart showing HULL & CO R Os patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eckles William E 3
#2 Eckles William Edward 3
#3 Uiriamu Ii Ekurusu 2
#4 Eckles W 2
#5 Willis William J 2
#6 Rosenberg William Edwin 2
#7 Starinshak Thomas W 1
#8 Ferguson W 1
#9 Ferguson Wilfred J 1
#10 Donarudo Jiei Guhade 1

Latest patents

Publication Filing date Title
DE2902916A1 METHOD FOR PRODUCING TITANIUM-CONTAINING PHOSPHATES AS A CONDITIONING AGENT FOR METAL SURFACES
DE2900105A1 AQUATIC ACID PLATING BATH FOR THE GALVANIC DEPOSITION OF A GLAZING ZINC COATING ON A SUBSTRATE, PROCESS FOR THE GALVANIC DEPOSITION OF A GLAZING ZINC COATING ON A SUBSTRATE AND ADDITIVE ADDITIVE ADDITIVES
GB1577495A Coating solutions of trivalent chromium for coating zinc surfaces