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Eric P. Janssen

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  • Howell, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Latching pneumatic control valve
    • Patent number 10,808,860
    • Issue date Oct 20, 2020
    • MAC Valves, Inc.
    • Michael Jamison
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot actuated control pilot for operating valve
    • Patent number 10,711,915
    • Issue date Jul 14, 2020
    • MAC Valves, Inc.
    • Robert Neff
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Pressure balanced solenoid operated valve
    • Patent number 9,103,463
    • Issue date Aug 11, 2015
    • MAC Valves, Inc.
    • Kevin C. Williams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Solenoid operated valve with constant bleed port
    • Patent number 9,022,069
    • Issue date May 5, 2015
    • MAC Valves, Inc.
    • Matthew Neff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Balanced solenoid valve
    • Patent number 8,167,000
    • Issue date May 1, 2012
    • MAC Valves, Inc.
    • Robert H. Neff
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Directly operated pneumatic valve having a differential assist return
    • Patent number 7,210,501
    • Issue date May 1, 2007
    • MAC Valves, Inc.
    • Robert H Neff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-latching solenoid valve assembly
    • Patent number 6,129,115
    • Issue date Oct 10, 2000
    • MAC Valves, Inc.
    • Eric P. Janssen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Solenoid
    • Patent number 5,192,936
    • Issue date Mar 9, 1993
    • MAC Valves, Inc.
    • James A. Neff
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents