John D. Dyson

Person

  • Richmond, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Filtration system underdrain

    • Patent number 7,090,771
    • Issue date Aug 15, 2006
    • Infilco Degremont, Inc.
    • John D. Dyson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Filtration system underdrain

    • Publication number 20040055944
    • Publication date Mar 25, 2004
    • Ondeo Degremont, Inc.
    • John D. Dyson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL