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John Leslie Johnson

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  • Raleigh, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double action direction fluid flow valve
    • Patent number 11,079,036
    • Issue date Aug 3, 2021
    • John Leslie Johnson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Double action direction fluid flow valve
    • Patent number 10,378,671
    • Issue date Aug 13, 2019
    • John Leslie Johnson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve manifold
    • Patent number 10,018,529
    • Issue date Jul 10, 2018
    • John Leslie Johnson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Double action direction fluid flow valve
    • Patent number 9,841,116
    • Issue date Dec 12, 2017
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Double action direction fluid flow valve
    • Patent number 9,587,757
    • Issue date Mar 7, 2017
    • John Leslie Johnson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve manifold
    • Patent number 9,404,603
    • Issue date Aug 2, 2016
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Double action direction fluid flow valve
    • Patent number 9,395,016
    • Issue date Jul 19, 2016
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Double action directional fluid flow valve
    • Patent number 8,820,703
    • Issue date Sep 2, 2014
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve Manifold
    • Patent number 8,714,196
    • Issue date May 6, 2014
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Double action directional fluid flow valve
    • Patent number 8,256,738
    • Issue date Sep 4, 2012
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve manifold
    • Patent number 8,177,188
    • Issue date May 15, 2012
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot valve manifold
    • Patent number 7,490,625
    • Issue date Feb 17, 2009
    • John Leslie Johnson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Leak detection system
    • Patent number 6,435,010
    • Issue date Aug 20, 2002
    • John Leslie Johnson
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DOUBLE ACTION DIRECTION FLUID FLOW VALVE
    • Publication number 20190353273
    • Publication date Nov 21, 2019
    • John Leslie Johnson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VALVE MANIFOLD
    • Publication number 20190072452
    • Publication date Mar 7, 2019
    • John Leslie Johnson
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    DOUBLE ACTION DIRECTION FLUID FLOW VALVE
    • Publication number 20180355996
    • Publication date Dec 13, 2018
    • John Leslie Johnson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DOUBLE ACTION DIRECTION FLUID FLOW VALVE
    • Publication number 20170175921
    • Publication date Jun 22, 2017
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE MANIFOLD
    • Publication number 20160341627
    • Publication date Nov 24, 2016
    • John Leslie Johnson
    • G01 - MEASURING TESTING
  • Information Patent Application

    DOUBLE ACTION DIRECTION FLUID FLOW VALVE
    • Publication number 20160327177
    • Publication date Nov 10, 2016
    • John Leslie Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DOUBLE ACTION DIRECTION FLUID FLOW VALVE
    • Publication number 20140353532
    • Publication date Dec 4, 2014
    • John Leslie Johnson
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    VALVE MANIFOLD
    • Publication number 20140225013
    • Publication date Aug 14, 2014
    • John Leslie Johnson
    • G01 - MEASURING TESTING
  • Information Patent Application

    VALVE MANIFOLD
    • Publication number 20130270467
    • Publication date Oct 17, 2013
    • John Leslie Johnson
    • G01 - MEASURING TESTING
  • Information Patent Application

    DOUBLE ACTION DIRECTIONAL FLUID FLOW VALVE
    • Publication number 20120326070
    • Publication date Dec 27, 2012
    • John Leslie JOHNSON
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    DOUBLE ACTION DIRECTIONAL FLUID FLOW VALVE
    • Publication number 20090072180
    • Publication date Mar 19, 2009
    • John Leslie JOHNSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...