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FIRTH BROWN LTD

Overview
  • Total Patents
    26
About

FIRTH BROWN LTD has a total of 26 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United Kingdom, Austria and Germany. Its main competitors in its focus markets materials and metallurgy and machine tools are UNITED PIPELINES ASIA PACIFIC PTE LTD, SHI HAIHUA and VILLARES METALS SA.

Patent filings in countries

World map showing FIRTH BROWN LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Austria 3
#3 Germany 3
#4 France 3
#5 Canada 2
#6 Sweden 2
#7 Switzerland 1
#8 EPO (European Patent Office) 1
#9 Spain 1
#10 United States 1

Patent filings per year

Chart showing FIRTH BROWN LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Machine tools

Top inventors

# Name Total Patents
#1 Kirkby Henry William 5
#2 Hogg Arthur 4
#3 Kirkby Henry W 2
#4 Truman John Edmund 2
#5 Kirby Henry William 2
#6 Kirkby H 2
#7 John Edmund Truman 1
#8 William Kirky Henry 1
#9 Kent Robinson Pearson 1
#10 Hardwick Donald 1

Latest patents

Publication Filing date Title
GB2083499A Austenitic steel
GB2070642A Ferritic iron-aluminium- chromium alloys
GB2082631A Ferritic iron-aluminium-chromium alloys
GB1514934A Austenitic stainless steels
US3663208A A chromium-nickel alloy steel containing copper
GB1181379A Weld Metal Compositions
GB1241291A Steels resistant to stress corrosion cracking
GB1123971A Alloys for use at high temperatures
GB961252A Nickel based alloys
GB939544A Improvements in or relating to the production of alloy-steel forgings
CA894712A Alloy steels
CA890849A Steels resistant to stress corrosion cracking