TREA

Etienne Ulysse Brois

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  • Yerres, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuously variable aeration
    • Patent number 8,377,305
    • Issue date Feb 19, 2013
    • Siemens Industry, Inc.
    • Fufang Zha
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Continuously Variable Aeration
    • Publication number 20080156745
    • Publication date Jul 3, 2008
    • U.S. Filter Wastewater Group, Inc.
    • Fufang Zha
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL