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CRUCIBLE STEEL CO AMERICA

Overview
  • Total Patents
    418
About

CRUCIBLE STEEL CO AMERICA has a total of 418 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and machine tools are CRUCIBLE STEEL COMPANY, DE GOLYER ANTHONY G and VANADIUM ALLOYS STEEL CO.

Patent filings in countries

World map showing CRUCIBLE STEEL CO AMERICAs patent filings in countries
# Country Total Patents
#1 United States 195
#2 Canada 116
#3 United Kingdom 46
#4 France 33
#5 Germany 9
#6 Sweden 7
#7 Austria 5
#8 Spain 4
#9 Norway 2
#10 Denmark 1

Patent filings per year

Chart showing CRUCIBLE STEEL CO AMERICAs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Payson Peter 33
#2 Jaffee Robert I 32
#3 Ogden Horace R 29
#4 Vordahl Milton B 28
#5 Peter Payson 24
#6 Shonnard Harold W 18
#7 Dulis Edward J 13
#8 Maykuth Daniel J 12
#9 Lowe Wallace K 11
#10 Finlay Walter L 8

Latest patents

Publication Filing date Title
US3552169A Spring end finishing
US3401035A Free-machining stainless steels
US3598386A Apparatus for making steel
US3490807A Fold down camper
US3401036A Valve steel
US3365343A Low carbon formable and ageable alloy steels
GB1137295A Improved free-machining ferritic stainless steel
GB1146363A Manufacture of stainless steels
US3466734A Metal articles and method
ES337986A1 A procedure to achieve the properties of easy mechanization of a stainless steel. (Machine-translation by Google Translate, not legally binding)
GB1152971A Titanium-Base Alloy Article Resistant to Hot Salt Corrosion
US3340056A Method for compacting powdered metals
US3451843A Method of chromizing metal
US3340055A Method for producing compacted articles having large length to diameter ratios
US3341325A Method for producing alloy-steel articles
GB1117999A Tool steels
US3340028A High-tin titanium welding wire
US3344840A Methods and apparatus for producing metal ingots
GB1098217A Titanium-base alloys
GB1106501A Free machining stainless steels