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James P. Cornwell

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  • Erie, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air compressor unit inlet control method
    • Patent number 7,648,343
    • Issue date Jan 19, 2010
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Elastomeric check valve
    • Patent number 7,540,304
    • Issue date Jun 2, 2009
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring actuated check valve
    • Patent number 7,458,392
    • Issue date Dec 2, 2008
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air compressor unit inlet control
    • Patent number 7,153,106
    • Issue date Dec 26, 2006
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor with inlet control mechanism and automatic inlet con...
    • Patent number 7,086,841
    • Issue date Aug 8, 2006
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Check valve
    • Patent number 6,698,446
    • Issue date Mar 2, 2004
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tube fitting
    • Patent number 6,450,550
    • Issue date Sep 17, 2002
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic drain valve
    • Patent number 6,024,112
    • Issue date Feb 15, 2000
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Head Discharging Compressor System
    • Publication number 20080063551
    • Publication date Mar 13, 2008
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Compressor Unit Inlet Control Method
    • Publication number 20070154335
    • Publication date Jul 5, 2007
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Spring actuated check valve
    • Publication number 20070056636
    • Publication date Mar 15, 2007
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pressure relief valve
    • Publication number 20060071189
    • Publication date Apr 6, 2006
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Elastomeric check valve
    • Publication number 20050229979
    • Publication date Oct 20, 2005
    • R. Conrader Company
    • James P. Cornwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Air compressor with inlet control mechanism and automatic inlet con...
    • Publication number 20040213679
    • Publication date Oct 28, 2004
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air compressor unit inlet control
    • Publication number 20040141862
    • Publication date Jul 22, 2004
    • R. Conrader Company
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE
    • Publication number 20040007261
    • Publication date Jan 15, 2004
    • James P. Cornwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...