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John E. Pahlman

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  • Bloomington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    System for removal of pollutants from a gas stream
    • Patent number 7,247,279
    • Issue date Jul 24, 2007
    • EnviroScrub Technologies Corporation
    • Steven C. Carlton
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    System and process for removal of pollutants from a gas stream
    • Patent number 7,033,548
    • Issue date Apr 25, 2006
    • Enviroscrub Technologies Corporation
    • Steve C. Carlton
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    System and process for removal of pollutants from a gas stream
    • Patent number 6,974,565
    • Issue date Dec 13, 2005
    • Enviroscrub Technologies Corporation
    • Steve C. Carlton
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    System and process for removal of pollutants from a gas stream
    • Patent number 6,610,263
    • Issue date Aug 26, 2003
    • EnviroScrub Technologies Corporation
    • John E. Pahlman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    System and process for removal of pollutants from a gas stream
    • Patent number 6,579,507
    • Issue date Jun 17, 2003
    • EnviroScrub Technologies Corporation
    • John E. Pahlman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of enhancing rock fragmentation and extending drill bit life
    • Patent number 5,196,401
    • Issue date Mar 23, 1993
    • The United State of America as represented by the Secretary of the Interior
    • William H. Engelmann
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Rock fragmentation method
    • Patent number 4,959,164
    • Issue date Sep 25, 1990
    • The United States of America as represented by the Secretary of the Interior
    • William H. Engelmann
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Isoelectric drilling method
    • Patent number 4,765,415
    • Issue date Aug 23, 1988
    • The United States of America as represented by the Secretary of Interior
    • Sanaa E. S. Khalafalla
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Production of ferrochromium alloys
    • Patent number 4,306,905
    • Issue date Dec 22, 1981
    • The United States of America as represented by the Secretary of the Interior
    • John E. Pahlman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of metals from Atlantic sea nodules
    • Patent number 4,208,379
    • Issue date Jun 17, 1980
    • The United States of America as represented by the Secretary of the Interior
    • John E. Pahlman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Selective recovery of nickel, cobalt, manganese from sea nodules wi...
    • Patent number 4,138,465
    • Issue date Feb 6, 1979
    • The United States of America as represented by the Secretary of the Interior
    • John E. Pahlman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents