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G K N STEEL COMPANY LTD

Overview
  • Total Patents
    23
About

G K N STEEL COMPANY LTD has a total of 23 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets thermal processes, materials and metallurgy and machine tools are SYSTEMS SPRAY COOLED INC, WEDEL KARL VON and EMPCO CANADA LTD.

Patent filings in countries

World map showing G K N STEEL COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 France 4
#3 United States 2
#4 Canada 1
#5 Germany 1

Patent filings per year

Chart showing G K N STEEL COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keen Thomas Henry 4
#2 Keen Thomas H 3
#3 Mills Edward Cecil 3
#4 Bacon Norwood Peter 2
#5 Harris Austin Toyne 2
#6 Hayman James Colin 2
#7 Hamilton-Jones Glyn 2
#8 Harris Austin Tayne 1
#9 Saar Paul 1
#10 Newby Michael William 1

Latest patents

Publication Filing date Title
GB1142210A Improvements in or relating to burners used in the manufacture of steel
US3258138A Container for charging openhearth furnaces
GB1129993A Improved process of manufacturing portland cement in the production of iron concentrates from iron ores of low grade
GB1129994A An improved process of producing iron concentrates from iron ores of low grade
GB1081671A Improvements in or relating to steel production
GB1069271A Improvements in or relating to rolling mills
GB980602A A new or improved method of and apparatus for measuring discontinuities in steel andother metals
GB982900A A new or improved apparatus for marking hot metal billets and other hot metal bodies
GB1044151A Improvements in or relating to the open hearth furnace production of steel
GB1044153A Improvements in or relating to burners for open hearth furnace production of steel
GB982606A Improvements in or relating to apparatus for handling metal billets and the like
GB1027594A A new or improved apparatus for use in charging open-hearth furnaces
GB1027593A A new or improved method of and apparatus for charging open-hearth furnaces
GB982605A Improvements in or relating to apparatus for handling metal billets and the like
GB974628A Improvements in or relating to the handling of metal billets and the like
GB964920A Improvements in and relating to lagging plates for use in mines and analogous situations
CA757012A Apparatus for charging open-hearth furnaces