Learn more

CLEVELAND CLIFFS IRON

Overview
  • Total Patents
    26
About

CLEVELAND CLIFFS IRON has a total of 26 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets materials and metallurgy, machines and environmental technology are R N CORP, IZSLEDOVATELSKI TSENTAR TEKOM and KOMMUNARSK GORNO METALL IVNI P.

Patent filings in countries

World map showing CLEVELAND CLIFFS IRONs patent filings in countries

Patent filings per year

Chart showing CLEVELAND CLIFFS IRONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Erck Louis J 10
#2 Olson Edgar T 5
#3 Shultz Richard L 5
#4 Violetta Donald C 5
#5 Ban Thomas E 3
#6 Degabriele Robert M 2
#7 Causilla Jr Humberto 1
#8 Pitmon Guy R 1
#9 Hayden Jr John E 1
#10 Hanbaato Kooshira Jiyuniaa 1

Latest patents

Publication Filing date Title
US5810905A Process for making pig iron
US4244529A Inerting of pulverizing mills for combustible materials
US3384310A Method of treating metalliferous ores
US3067957A Process of upgrading iron ore concentrates
US3140326A Agglomerating method and apparatus
US2862807A Updraft pelletizing method
US2952157A Specific gravity measuring device
US3024101A Updraft traveling grate pelletizing furnace
US2799572A Iron ore pelletizing process and product
US2744627A Method of concentrating ores
US1994433A Preparation of fatty acids
US2012477A Production of gases for synthesis
US2003278A Preparation of activated carbon
US2003277A Activated carbon
US1978647A Method for making alkali metal alcoholates
CA567681A Iron ore pelletizing process and product
CA621462A Updraft traveling grate pelletizing furnace and method
CA623100A Agglomerating method and apparatus