Safety shields

Patents Grantslast 30 patents

  • Information Patent Grant

    Welder's windguard

    • Patent number 6,161,590
    • Issue date Dec 19, 2000
    • 844426 Alberta Ltd.
    • Darwin Wulff
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Vacuum refining furnace

    • Patent number 6,162,387
    • Issue date Dec 19, 2000
    • Nippon Steel Corporation
    • Kensuke Shimomura
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Dumping bay with fume collecting provisions

    • Patent number 6,036,914
    • Issue date Mar 14, 2000
    • USS/KOBE Steel Company
    • David J. Diederich
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Thermal radiation baffle for apparatus for use in directional solid...

    • Patent number 5,429,176
    • Issue date Jul 4, 1995
    • T&N Technology Limited
    • Alan W. Atkinson
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Metallurgical vessel having an opening and a flange around the opening

    • Patent number 4,569,508
    • Issue date Feb 11, 1986
    • Hoogovens Groep B.V.
    • Jan A. de Graaf
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Apparatus for and method of repairing bottom lining of a converter

    • Patent number 4,479,637
    • Issue date Oct 30, 1984
    • National Steel Corporation
    • William H. Sangster
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3904592

    • Patent number 3,904,592
    • Issue date Sep 9, 1975
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3884882

    • Patent number 3,884,882
    • Issue date May 20, 1975
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3695602

    • Patent number 3,695,602
    • Issue date Oct 3, 1972
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3674903

    • Patent number 3,674,903
    • Issue date Jul 4, 1972
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3632097

    • Patent number 3,632,097
    • Issue date Jan 4, 1972
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3401226

    • Patent number 3,401,226
    • Issue date Sep 10, 1968
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3386722

    • Patent number 3,386,722
    • Issue date Jun 4, 1968
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3381951

    • Patent number 3,381,951
    • Issue date May 7, 1968
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3345058

    • Patent number 3,345,058
    • Issue date Oct 3, 1967
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    256038

    • Patent number 256,038
    • Issue date Apr 4, 1882
    • B22 - CASTING POWDER METALLURGY