Learn more

FREEMAN CORP

Overview
  • Total Patents
    19
About

FREEMAN CORP has a total of 19 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets materials and metallurgy, thermal processes and environmental technology are WERNER WENZEL DR ING, JONES & LAUGHLIN STEEL INC and INTERNAT STEEL SLAG CORP.

Patent filings in countries

World map showing FREEMAN CORPs patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United States 5
#3 United Kingdom 2
#4 Germany 1

Patent filings per year

Chart showing FREEMAN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Freeman Horace 15
#2 Horace Freeman 3
#3 Berkovich Serge A 1

Latest patents

Publication Filing date Title
CA946162A Molten iron treatment
DE1810880A1 Metallurgical oven
US3592457A Process and composition for sealing and discharging metallurgical furnaces and other vessels
GB1086196A Reduction of iron ore
GB894348A Process and apparatus for reducing metal oxides without melting
US3080156A Apparatus for reducing metal oxides without melting
US2916373A Thermochemical lancing and cutting powders and method of preparing same for use in oxygen suspension
US2855290A Method of reducing iron oxide to sponge iron
CA574124A Metal oxide reduction
CA808573A Process and composition for sealing and discharging metallurgical furnaces and other vessels
CA693279A Exothermic molding compositions and method for making the same
CA806104A Reduction of iron ore
CA614703A Process and apparatus for reducing metal oxides without melting
CA726641A Process and construction for controlling exothermic reactions
CA694359A Composition for producing molten iron
CA597656A Iron oxide reduction
CA674884A Production of iron and steel and alloys
CA585186A Thermochemical lancing and cutting powders and method of preparing same for use in oxygen suspension