TREA

S.A. des Anciens Etablissements Paul Wurth

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  • Luxemburg, LU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure equalization apparatus and method
    • Patent number 4,162,784
    • Issue date Jul 31, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Valve system and improved actuator therefor
    • Patent number 4,158,367
    • Issue date Jun 19, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Pierre H. Mailliet
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Shaft furnace cooling
    • Patent number 4,157,816
    • Issue date Jun 12, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Lubrication technique and apparatus
    • Patent number 4,153,140
    • Issue date May 8, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Rene N. Mahr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Treatment of bituminous schists
    • Patent number 4,152,243
    • Issue date May 1, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Feed installation for apparatus for extracting hydrocarbons from bi...
    • Patent number 4,151,047
    • Issue date Apr 24, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Isolation valve
    • Patent number 4,144,902
    • Issue date Mar 20, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Rene N. Mahr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hot blast stove and method of operation
    • Patent number 4,145,033
    • Issue date Mar 20, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Ernest P. Kuntziger
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Taphole sealing apparatus
    • Patent number 4,135,705
    • Issue date Jan 23, 1979
    • S.A. des Anciens Etablissements Paul Wurth
    • Pierre H. Mailliet
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Furnace charge profile measuring process and apparatus
    • Patent number 4,094,494
    • Issue date Jun 13, 1978
    • S.A. des Anciens Etablissements Paul Wurth
    • Rene N. Mahr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Furnace charger with discharge channel having approximate oval cros...
    • Patent number 4,074,835
    • Issue date Feb 21, 1978
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Charge metering apparatus for shaft furnaces
    • Patent number 4,074,816
    • Issue date Feb 21, 1978
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Blast furnace charging method and apparatus
    • Patent number 4,071,166
    • Issue date Jan 31, 1978
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Ejector piston
    • Patent number 4,063,722
    • Issue date Dec 20, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Pierre H. Mailliet
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Device for the extraction of gaseous samples and for thermal measur...
    • Patent number 4,061,036
    • Issue date Dec 6, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Clay gun
    • Patent number 4,058,300
    • Issue date Nov 15, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Pierre H. Mailliet
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Charging device for shaft furnace
    • Patent number 4,042,130
    • Issue date Aug 16, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Shaft furnace feed device
    • Patent number 4,040,530
    • Issue date Aug 9, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Rene N. Mahr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Improved tuyere feed device
    • Patent number 4,027,605
    • Issue date Jun 7, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Tuyere stock and compensator joint therefore
    • Patent number 4,023,782
    • Issue date May 17, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Gerd Eifer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for the transmission of heated fluid
    • Patent number 4,023,832
    • Issue date May 17, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot blast stove and method of operation
    • Patent number 4,022,573
    • Issue date May 10, 1977
    • S.A. des Anciens Etablissements Paul Wurth
    • Ernest P. Kuntziger
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Compensator connection for tuyere stock
    • Patent number 3,997,194
    • Issue date Dec 14, 1976
    • S.A. des Anciens Etablissements Paul Wurth
    • Gerd Eifer
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Tuyere feed lines
    • Patent number 3,980,286
    • Issue date Sep 14, 1976
    • S.A. des Anciens Etablissements Paul Wurth
    • Rene N. Mahr
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method and apparatus for cooling and cleaning the sealing surface o...
    • Patent number 3,955,693
    • Issue date May 11, 1976
    • S.A. des Anciens Etablissements Paul Wurth
    • Edouard Legille
    • C21 - METALLURGY OF IRON