TREA

John R. McWhirter

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  • Boalsburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous multistage thermophilic aerobic and aerobic-anaerobic sl...
    • Patent number 7,563,374
    • Issue date Jul 21, 2009
    • Mixing and Mass Transfer Technologies, LLC
    • John R. McWhirter
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Continuous multistage thermophilic aerobic and aerobic-anaerobic sl...
    • Patent number 7,329,340
    • Issue date Feb 12, 2008
    • Mixing and Mass Transfer Technologies, LLC
    • John R. McWhirter
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Continuous multistage thermophilic aerobic sludge digestion system
    • Patent number 6,966,983
    • Issue date Nov 22, 2005
    • Mixing and Mass Transfer Technologies, LLC
    • John R. McWhirter
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Surface aeration impellers
    • Patent number 6,877,959
    • Issue date Apr 12, 2005
    • Mixing & Mass Transfer Technologies, LLC
    • John R. McWhirter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Surface aeration impeller designs
    • Patent number 6,860,631
    • Issue date Mar 1, 2005
    • The Penn State Research Foundation
    • John R. McWhirter
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Surface aeration impellers
    • Patent number 6,715,912
    • Issue date Apr 6, 2004
    • The Penn State Research Foundation
    • John R. McWhirter
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Mixer systems
    • Patent number 6,464,384
    • Issue date Oct 15, 2002
    • The Penn State Research Foundation
    • Paul M. Kubera
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Biochemical oxidation system and process
    • Patent number 6,299,776
    • Issue date Oct 9, 2001
    • General Signal Corporation
    • John R. McWhirter
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Mixing impellers especially adapted for use in surface aeration
    • Patent number 5,988,604
    • Issue date Nov 23, 1999
    • General Signal Corporation
    • John R. McWhirter
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Mixing systems
    • Patent number 5,972,661
    • Issue date Oct 26, 1999
    • Penn State Research Foundation
    • Paul M. Kubera
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Surface aerator impeller design including stabilizer cylinder
    • Publication number 20090035150
    • Publication date Feb 5, 2009
    • John R. McWhirter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Continuous multistage thermophilic aerobic and aerobic-anaerobic sl...
    • Publication number 20080073266
    • Publication date Mar 27, 2008
    • John R. McWhirter
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Continuous multistage thermophilic aerobic and aerobic-anaerobic sl...
    • Publication number 20060070938
    • Publication date Apr 6, 2006
    • Mixing and Mass Transfer Technologies, LLC
    • John R. McWhirter
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Surface aeration impellers
    • Publication number 20040247443
    • Publication date Dec 9, 2004
    • John R. McWhirter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Slotted draft tube mixing systems
    • Publication number 20040240315
    • Publication date Dec 2, 2004
    • Prakash G. Balan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Novel biochemical oxidation system
    • Publication number 20040188334
    • Publication date Sep 30, 2004
    • John R. McWhirter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Surface aeration impeller designs
    • Publication number 20040190371
    • Publication date Sep 30, 2004
    • John R. McWhirter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Surface aeration impellers
    • Publication number 20030067839
    • Publication date Apr 10, 2003
    • John R. McWhirter
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    Mixer systems
    • Publication number 20010055237
    • Publication date Dec 27, 2001
    • Paul M. Kubera
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...