TREA

The Steel Company of Canada, Limited

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  • Hamilton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal strip downcoilers-II
    • Patent number 4,306,438
    • Issue date Dec 22, 1981
    • The Steel Company of Canada, Limited
    • Roland H. Child
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metal strip downcoilers
    • Patent number 4,297,865
    • Issue date Nov 3, 1981
    • The Steel Company of Canada, Ltd.
    • William Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Composite electrode with non-consumable upper section
    • Patent number 4,168,392
    • Issue date Sep 18, 1979
    • The Steel Company of Canada, Limited
    • Otto E. Prenn
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Imbricating a group of flat bars
    • Patent number 4,150,742
    • Issue date Apr 24, 1979
    • The Steel Company of Canada, Limited
    • Edwin R. Pretsch
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tubeless heat recuperator
    • Patent number 4,122,823
    • Issue date Oct 31, 1978
    • The Steel Company of Canada, Limited
    • Robert F. Hunter
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Composite electrode with non-consumable upper section
    • Patent number 4,121,042
    • Issue date Oct 17, 1978
    • The Steel Company of Canada Limited
    • Otto E. Prenn
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Galvanizing steel strip in selected areas thereof
    • Patent number 4,101,345
    • Issue date Jul 18, 1978
    • The Steel Company of Canada, Limited
    • Robert F. Hunter
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Dropweight sample tester
    • Patent number 4,085,609
    • Issue date Apr 25, 1978
    • The Steel Company of Canada, Limited
    • John H. Kelly
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Paraffin sucker rod scraper and rod centralizer
    • Patent number 4,050,514
    • Issue date Sep 27, 1977
    • The Steel Company of Canada, Limited
    • Otto E. Prenn
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for expanding spiralweld pipe
    • Patent number 4,047,419
    • Issue date Sep 13, 1977
    • The Steel Company of Canada, Limited
    • Paul H. Hookings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of hot rolling metal strip
    • Patent number 4,019,359
    • Issue date Apr 26, 1977
    • The Steel Company of Canada, Limited
    • William Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for liquid mixing
    • Patent number 4,018,598
    • Issue date Apr 19, 1977
    • The Steel Company of Canada, Limited
    • Frank Markus
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Mandrelless downcoiler for coil box
    • Patent number 4,005,830
    • Issue date Feb 1, 1977
    • The Steel Company of Canada, Limited
    • William Smith
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Ultrasonic plate inspection system
    • Patent number 3,979,946
    • Issue date Sep 14, 1976
    • The Steel Company of Canada, Limited
    • Harold Z. Cipywnyk
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Floor nail
    • Patent number 3,977,142
    • Issue date Aug 31, 1976
    • The Steel Company of Canada, Limited
    • Allan B. Dove
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for liquid mixing
    • Patent number 3,961,775
    • Issue date Jun 8, 1976
    • The Steel Company of Canada, Limited
    • Frank Markus
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Self-drilling screw
    • Patent number 3,949,641
    • Issue date Apr 13, 1976
    • The Steel Company of Canada, Limited
    • George K. Masuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    72335618 - GRIPLAM
    • Serial number 72335618
    • Registration number 892689
    • Filing date Aug 18, 1969
    • STEEL COMPANY OF CANADA, LIMITED, THE
    • 6 - Common metals and their alloys
  • Information Trademark

    72253253 - STELCO
    • Serial number 72253253
    • Registration number 855764
    • Filing date Aug 29, 1966
    • STEEL COMPANY OF CANADA LIMITED, THE
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
  • Information Trademark

    71688091 - ARDOX
    • Serial number 71688091
    • Registration number 630279
    • Filing date May 23, 1955
    • STEEL COMPANY OF CANADA, LIMITED, THE
    • 6 - Common metals and their alloys
  • Information Trademark

    71688092 - ARDOX
    • Serial number 71688092
    • Registration number 630332
    • Filing date May 23, 1955
    • STEEL COMPANY OF CANADA, LIMITED, THE
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    71672844 - ARDOX
    • Serial number 71672844
    • Registration number 617078
    • Filing date Sep 7, 1954
    • STEEL COMPANY OF CANADA, LIMITED, THE
    • 6 - Common metals and their alloys