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GREAT LAKES STEEL CORP

Overview
  • Total Patents
    40
About

GREAT LAKES STEEL CORP has a total of 40 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, materials and metallurgy and surface technology and coating are OROSCHAKOFF GEORGI, KONDOROSI GYOERGY and SPELTEN HANS.

Patent filings in countries

World map showing GREAT LAKES STEEL CORPs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 11
#3 Canada 9
#4 France 3
#5 Germany 1

Patent filings per year

Chart showing GREAT LAKES STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall William J 9
#2 Altenburger Clarence L 6
#3 Selmi Luciano G 5
#4 Clauss Julius A 3
#5 Vetter Phillip C 2
#6 Lindemuth Lewis B 2
#7 Crowe Orley J 2
#8 Bowen John E 2
#9 Bowen John Edmund 1
#10 Selmi Luciano George 1

Latest patents

Publication Filing date Title
US2605179A Fused ore agglomerates
GB679639A Improvements in or relating to method of and apparatus for fusing and agglomerating fine particles of material
US2737270A Beam
US2606111A Agglomeration of metal bearing materials
GB664936A Improvements in or relating to method of and apparatus for continuously fusing and agglomerating materials
GB647716A Improvements in or relating to steel articles
GB631524A Improvements in or relating to a sheet metal nailing beam
GB609276A Improvements in or relating to a nail receiving beam
GB595145A Improvements in or relating to structural beams
GB601972A Improvements in or relating to steel or metal beams
GB600015A Improvements in or relating to low alloy steels
GB598471A Improvements in or relating to low alloy steels
US2492544A Machine for cold-drawing bar stock
US2425798A Metal nailing beam
US2457147A Beam
US2457148A Structural beam
GB555815A Improvements in alloy steel
US2416649A Alloy steel
US2416648A Alloy steel
US2250505A Alloy steel