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John C. Field

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  • Adrian, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Access port (suitable for fluid/refrigerant system)
    • Patent number 6,848,670
    • Issue date Feb 1, 2005
    • Parker-Hannifin Corporation
    • Gregory A. Haunhorst
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Coupling assembly
    • Patent number 6,481,756
    • Issue date Nov 19, 2002
    • Parker-Hannifin Corporation
    • John C. Field
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coupling assembly
    • Patent number 6,382,678
    • Issue date May 7, 2002
    • Parker-Hannifin Corporation
    • John C. Field
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents