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Gerard Duggan

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  • Duxbury, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure regulating valve
    • Patent number 7,052,243
    • Issue date May 30, 2006
    • Flexcon Industries
    • Gerard Duggan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure regulating valve
    • Patent number 6,644,929
    • Issue date Nov 11, 2003
    • Flexcon Industries
    • Gerard Duggan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pressure regulating valve
    • Publication number 20050118031
    • Publication date Jun 2, 2005
    • Gerard Duggan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pressure regulating valve
    • Publication number 20020046844
    • Publication date Apr 25, 2002
    • Gerard Duggan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...