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CARNEGIE ILLINOIS STEEL CORP

Overview
  • Total Patents
    438
About

CARNEGIE ILLINOIS STEEL CORP has a total of 438 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and machines are UNITED STATES STEEL CORP, NAT STEEL CORP and REPUBLIC STEEL CORP.

Patent filings in countries

World map showing CARNEGIE ILLINOIS STEEL CORPs patent filings in countries
# Country Total Patents
#1 United States 281
#2 Canada 82
#3 United Kingdom 70
#4 France 5

Patent filings per year

Chart showing CARNEGIE ILLINOIS STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Taylerson Ewart S 18
#2 Greulich Gerald G 18
#3 Rendel George H 12
#4 Wilson Jr Philip J 10
#5 Quigley Winfred M 10
#6 Wells Joseph H 10
#7 Dailey Jr William H 8
#8 Schulze Arthur R 7
#9 Hume Patrick H 6
#10 Muddiman Earll R 6

Latest patents

Publication Filing date Title
GB688578A Apparatus for detecting and marking pin holes
US2519657A Safety chain anchorage for agitators with suspended baffle
GB673140A Control unit for pin hole detectors
US2749609A Method of forming hollow metal articles
GB668890A Method of electrotinning continuous steel strip
GB659976A Improved tin and tin alloy plating bath
US2513068A Blast furnace stock line repairing
GB662612A Control unit for pin hole detectors
US2532562A Continuous strand helical conveying and heating apparatus
US2525731A Rail fastening device
US2505281A Antiplugging control for motors
US2506106A Relative speed indicating system
US2525730A Resilient cushion utilizing sideloaded helical spring
US2514084A Apparatus for supplying heated air to blast furnaces and the like
GB661668A Motor speed regulator
GB649490A Plating thickness meter
US2529768A Self-aligning sleeve for pressuretype gas burners and the like
US2500710A Flare block for railway crossings and the like
US2485947A Flare block for railway crossings and the like
US2517353A Motor speed regulator