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INTERNAT STEEL SLAG CORP

Overview
  • Total Patents
    12
About

INTERNAT STEEL SLAG CORP has a total of 12 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets materials and metallurgy and thermal processes are DUFFIELD FREDERICK LINDLEY, ZDANOVSKIJ METALL I and ARTHUR G MCKEE AND COMPANY.

Patent filings in countries

World map showing INTERNAT STEEL SLAG CORPs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Germany 3
#3 France 2
#4 United States 2
#5 Canada 1

Patent filings per year

Chart showing INTERNAT STEEL SLAG CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Thermal processes

Top inventors

# Name Total Patents
#1 Grady John J 3
#2 Joseph Grady John 2
#3 Grady John Joseph 2
#4 J Grady John 1

Latest patents

Publication Filing date Title
GB1181702A Steel Slag Handling System
US3316079A Steel slag handling system
US3316075A Steel slag handling system
GB1029678A Improvements relating to the handling of steel slag
GB1029677A Improvements relating to the handling of steel slag
CA866691A Steel slag handling system