TREA

William S. Mitchell

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  • McKenzie, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for leaching metal from mining ore
    • Patent number 8,409,321
    • Issue date Apr 2, 2013
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Fine bubble airlift device
    • Patent number 7,954,791
    • Issue date Jun 7, 2011
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Aeration device for use as a diffuser
    • Patent number 7,934,706
    • Issue date May 3, 2011
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Fine bubble airlift device
    • Patent number 7,622,040
    • Issue date Nov 24, 2009
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Method of blending components for porous plastic pipe processing
    • Patent number 5,811,038
    • Issue date Sep 22, 1998
    • Plastic Specialties and Technologies Investments, Inc.
    • William S. Mitchell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Aeration pipe and method of making same
    • Patent number 5,811,164
    • Issue date Sep 22, 1998
    • Plastic Specialties and Technologies Investments, Inc.
    • William S. Mitchell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for making uniform porosity flexible irrigation pipe
    • Patent number 4,958,770
    • Issue date Sep 25, 1990
    • Prescision Porous Pipe, Inc.
    • William S. Mitchell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR LEACHING METAL FROM MINING ORE
    • Publication number 20130221586
    • Publication date Aug 29, 2013
    • Tekni-Plex, Inc.
    • William S. MITCHELL
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD AND APPARATUS FOR LEACHING METAL FROM MINING ORE
    • Publication number 20120137831
    • Publication date Jun 7, 2012
    • Tekni-Plex, Inc.
    • William S. MITCHELL
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    FINE BUBBLE AIRLIFT DEVICE
    • Publication number 20110220732
    • Publication date Sep 15, 2011
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fine bubble airlift device
    • Publication number 20080000823
    • Publication date Jan 3, 2008
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Fine bubble airlift device
    • Publication number 20080000841
    • Publication date Jan 3, 2008
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aeration device for use as a diffuser
    • Publication number 20070257382
    • Publication date Nov 8, 2007
    • Tekni-Plex, Inc.
    • William S. Mitchell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING