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COLVILLES LTD

Overview
  • Total Patents
    53
About

COLVILLES LTD has a total of 53 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets materials and metallurgy, machine tools and basic materials chemistry are INTERNAT STEEL SLAG CORP, COLLOSEUS HEINRICH and FREEMAN CORP.

Patent filings in countries

World map showing COLVILLES LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 Canada 7
#3 France 7
#4 United States 7
#5 Germany 6
#6 Spain 4
#7 Austria 1
#8 Denmark 1

Patent filings per year

Chart showing COLVILLES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Erskine John 4
#2 Barr William 4
#3 Miller William Bauld Young 3
#4 Young Miller William Bauld 3
#5 Miller William B Y 3
#6 Mcadam William R 2
#7 William Barr 2
#8 Baxter Normile Elliot 1
#9 Towndrow Ronald Philip 1
#10 Edward Bardgett William 1

Latest patents

Publication Filing date Title
US3567413A Method for the disposal of molten slag
GB1207953A Improvements in or relating to the formation of protective layers on metal sheets
GB1139591A Improvements in or relating to the disposal of molten slag
US3356528A Method and apparatus for diffusion coating of metals in coiled strips
DE1433462A1 Method and device for producing slag in broken form
GB1028666A Improvements in or relating to the disposal of molten slag
US3109727A Method of producing slag in fragmented form
GB848219A Method of producing slag in fragmented or particulate form
GB818311A Improvements relating to the lining of basic open-hearth steel-making furnaces
GB749506A Improvements relating to building bricks and the like and process of manufacturing same
GB781056A A method of and means for indicating a predetermined low level of molten metal in a metal-pouring ladle
US2693412A Alloy steels
GB740352A Improvements relating to alloy steels and to chromised articles made therefrom
GB631584A Improvements relating to the manufacture of composite metal billets and of lined tubes therefrom
US2619715A Bonding together of metals
GB621089A Improvements relating to the production of composite steel and like articles
GB569958A Safety apparatus for the fuel gas systems of coke oven installations
GB567931A Electrical safety apparatus for coke ovens
GB572580A Discharge recorder for coke ovens
GB554743A Improvements relating to coke ovens and retorts