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David A Akerman

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  • Manchester, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid bed dryer filters
    • Patent number 7,985,270
    • Issue date Jul 26, 2011
    • Madison Filter 981 Ltd.
    • Joseph Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID BED DRYER FILTERS
    • Publication number 20090145094
    • Publication date Jun 11, 2009
    • MADISON FILTER 981 LIMITED
    • Joseph Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter elements
    • Publication number 20050163689
    • Publication date Jul 28, 2005
    • David A Akerman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL