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Ronald Lehman

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  • Thornton, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Freeze tolerant ball valve
    • Patent number 9,759,341
    • Issue date Sep 12, 2017
    • Ronald Lehman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Freeze tolerant ball valve
    • Patent number 9,334,966
    • Issue date May 10, 2016
    • Ronald Lehman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Freeze tolerant ball valve
    • Patent number 9,080,674
    • Issue date Jul 14, 2015
    • Ronald Lehman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FREEZE TOLERANT BALL VALVE
    • Publication number 20160223096
    • Publication date Aug 4, 2016
    • Ronald Lehman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FREEZE TOLERANT BALL VALVE
    • Publication number 20150292630
    • Publication date Oct 15, 2015
    • Ronald Lehman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...