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Harsharan Grewal

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  • Diamond Bar, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Presettable gas valve with retainer
    • Patent number 8,490,947
    • Issue date Jul 23, 2013
    • Joe Leighton & Associates, Inc.
    • Harsharan Grewal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Presettable gas valve
    • Patent number 8,282,073
    • Issue date Oct 9, 2012
    • Joe Leighton & Associates, Inc.
    • Harsharan Grewal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder valve insert
    • Patent number 6,908,070
    • Issue date Jun 21, 2005
    • Taiwan Pao
    • Josef A. Bartos
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Cylinder coupling device
    • Patent number 6,691,978
    • Issue date Feb 17, 2004
    • GAAP Gas Controls LLC
    • Josef A. Bartos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas tank to pressure regulator coupling
    • Patent number 6,688,323
    • Issue date Feb 10, 2004
    • GAAP Gas Controls LLC
    • Josef A. Bartos
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Diaphragm-operated pressure regulating valve
    • Patent number 6,651,695
    • Issue date Nov 25, 2003
    • GAAP Gas Controls, LLC
    • Josef A. Bartos
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Float valve
    • Patent number 6,450,196
    • Issue date Sep 17, 2002
    • GAAP Gas Controls LLC
    • Josef A. Bartos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety valve
    • Patent number 6,408,869
    • Issue date Jun 25, 2002
    • GAAP Gas Control Inc.
    • Josef A. Bartos
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    PRESETTABLE GAS VALVE WITH RETAINER
    • Publication number 20110175002
    • Publication date Jul 21, 2011
    • Harsharan Grewal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PRESETTABLE GAS VALVE
    • Publication number 20110079744
    • Publication date Apr 7, 2011
    • Harsharan Grewal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cylinder valve insert
    • Publication number 20040011984
    • Publication date Jan 22, 2004
    • GAAP Gas Controls, LLC, a California corporation
    • Josef A. Bartos
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    DIAPHRAGM-OPERATED PRESSURE REGULATING VALVE
    • Publication number 20030188782
    • Publication date Oct 9, 2003
    • Josef A. Bartos
    • G05 - CONTROLLING REGULATING