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James H. Ewing

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  • Brockton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vaporizer and liquid delivery system using same
    • Patent number 5,553,188
    • Issue date Sep 3, 1996
    • MKS Instruments, Inc.
    • James H. Ewing
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Positive displacement pump system
    • Patent number 5,437,542
    • Issue date Aug 1, 1995
    • MKS Instruments, Inc.
    • James H. Ewing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System for delivering and vaporizing liquid at a continuous and con...
    • Patent number 5,371,828
    • Issue date Dec 6, 1994
    • MKS Instruments, Inc.
    • James H. Ewing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump and vaporizer
    • Patent number 5,361,800
    • Issue date Nov 8, 1994
    • MKS Instruments, Inc.
    • James H. Ewing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modulating positive shutoff mechanism
    • Patent number 5,040,559
    • Issue date Aug 20, 1991
    • MKS Instruments, Inc.
    • James H. Ewing
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Balanced solenoid valves
    • Patent number 4,796,854
    • Issue date Jan 10, 1989
    • MKS Instruments, Inc.
    • James H. Ewing
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flowmeter-controlled valving
    • Patent number 4,679,585
    • Issue date Jul 14, 1987
    • MKS Instruments, Inc.
    • James H. Ewing
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method of manufacturing a cartridge unit for establishing controlle...
    • Patent number 4,571,801
    • Issue date Feb 25, 1986
    • MKS Instruments, Inc.
    • James H. Ewing
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Laminar-flow channeling in thermal flowmeters and the like
    • Patent number 4,522,058
    • Issue date Jun 11, 1985
    • MKS Instruments, Inc.
    • James H. Ewing
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Thermal mass flowmetering
    • Patent number 4,464,932
    • Issue date Aug 14, 1984
    • MKS Instruments, Inc.
    • James H. Ewing
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Linearized controlled valves
    • Patent number 4,327,894
    • Issue date May 4, 1982
    • MKS Instruments, Inc.
    • James H. Ewing
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vacuum monitoring
    • Patent number 4,008,619
    • Issue date Feb 22, 1977
    • MKS Instruments, Inc.
    • H. David Alcaide
    • G01 - MEASURING TESTING