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OHIO FERRO ALLOYS CORP

Overview
  • Total Patents
    30
About

OHIO FERRO ALLOYS CORP has a total of 30 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, Canada and Sweden. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and environmental technology are ELEKTROSTAHLANLAGEN MIT BESCHR, PAUL GIROD and KINGLOR LTD.

Patent filings in countries

World map showing OHIO FERRO ALLOYS CORPs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 5
#3 Sweden 2
#4 Germany 1
#5 France 1
#6 Norway 1

Patent filings per year

Chart showing OHIO FERRO ALLOYS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jordan Otis D 6
#2 Nostran Jack A Van 5
#3 Vignos James C 4
#4 Ripberger Alexander G 4
#5 Jones Robert R 3
#6 Jordan O 2
#7 Vance Calbert L 2
#8 Glunz Huck V 2
#9 Lincoln Richard V 2
#10 Clifton Painter Ernest 1

Latest patents

Publication Filing date Title
FR2079447A5 Continuous electrode - for electric furnaces, without an armature whi prevents metal from the casing entering the charge
US3524004A Non-metal reinforced self-baking electrode for electric furnaces
US3433283A Method of reducing friability of ferro-alloys
US2834824A Automatic electrode clamping device
US2752586A Device for detection of water in oil
US2721948A Automatic voltage and electrode control for electric-arc furnaces
US2639232A Addition materials for iron and steel manufacture and method of use thereof
US2458272A Electrode splicing device
US2496074A Process for deoxidizing iron and steel
US2478345A Alloying of gray iron in the cupola
US2461442A Process of making ferro-alloys
US2405278A Ferroalloy briquette and manufacture of same
US2276074A Method of making ferro-alloys
US2197660A Ferro-alloys and method of producing them
US2179153A Electrode clamp
US2222035A Production of alloys
US2179167A Method of making steel
US2111344A Metallurgical briquette and method of making same
US1846041A Cooling jacket for electrodes
US1846040A Furnace electrode suspension