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NORTHWESTERN STEEL & WIRE CO

Overview
  • Total Patents
    59
About

NORTHWESTERN STEEL & WIRE CO has a total of 59 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are GREENE ALBERT E, NORTHWESTERN STEEL & WIRE COMP and ELECTRO METALLURG FRANCAISE SOC.

Patent filings in countries

World map showing NORTHWESTERN STEEL & WIRE COs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 10
#3 Germany 1
#4 Spain 1
#5 France 1
#6 United Kingdom 1
#7 Italy 1

Patent filings per year

Chart showing NORTHWESTERN STEEL & WIRE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robinson Charles G 15
#2 Bell George W 8
#3 Dillon Paul W 5
#4 Davis Ronald F 4
#5 Gaumer George K 4
#6 Vorderstrasse Rudolph C 3
#7 Griesemer Harry E 3
#8 Murphy Peter M 2
#9 Bradley Albert F 2
#10 Shinville Gerald T 1

Latest patents

Publication Filing date Title
US4641320A Shroud for furnace electrode
ES448462A1 Improvements placed in a wall for caldero de colada. (Machine-translation by Google Translate, not legally binding)
IT1060733B Tiltable electric furnace ladle canopy for venting gases - includes individual curtains hinged onto frame connected to ducting
DE2623545A1 Tiltable electric furnace ladle canopy for venting gases - includes individual curtains hinged onto frame connected to ducting
GB1488777A Fume collecting canopies
US3941359A Apparatus for direct reduction of iron oxides
US3980008A Ladle canopy
US3645321A Apparatus for the continuous production of steel
US3624877A Descaler for rod and the like
US3406241A Method and apparatus for balancing the arc power of a direct arc electric furnace and protecting the refractory lining in the hot spots of the furnace
US3403210A Reduction of the reactance in the flexible cables of steel melting vessels
US3439104A Apparatus for melting metals by resistance heating
US3394215A Cooling rings for electrode ports of electric furnaces
US3407259A Method of operating an electric furnace wherein the arc power is increased above 50 mva. after the charge has begun to melt
US3413401A Method and apparatus for melting metals by induction heating
US3413112A Method for firing green pellets by induction heating
US3405743A Reinforcing mat fabricating apparatus
US3406239A Power cable arrangement for electric arc furnaces
US3136835A Method and means for equalizing the heat balance within an electric furnace
US3131246A Electric furnace