TREA

Yves Lecoffre

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  • Le Versoud, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary vortex separator for a heterogeneous liquid
    • Patent number 4,702,837
    • Issue date Oct 27, 1987
    • Total Compagnie Francaise des Petroles
    • Yves Lecoffre
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Microbubble injector
    • Patent number 4,556,523
    • Issue date Dec 3, 1985
    • Alsthom-Atlantique
    • Yves Lecoffre
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of degassing a liquid
    • Patent number 4,534,774
    • Issue date Aug 13, 1985
    • Societe Anonyme dite: Alsthom-Atlantique
    • Yves Lecoffre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of producing microbubbles for treating a suspension
    • Patent number 4,226,705
    • Issue date Oct 7, 1980
    • Alsthom-Atlantique
    • Yves Lecoffre
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...