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Donald S. Pitchford

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  • Fairfax, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method to differentiate radio frequency identification tags from ot...
    • Patent number 9,418,262
    • Issue date Aug 16, 2016
    • VECTARE, INC.
    • Brian Gentile
    • G08 - SIGNALLING
  • Information Patent Grant

    Wireless fluid shut-off valve
    • Patent number 9,057,453
    • Issue date Jun 16, 2015
    • Gas Sentinel, LLC
    • Barth R. Pitchford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wireless fluid shut-off valve
    • Patent number 8,807,523
    • Issue date Aug 19, 2014
    • Gas Sentinel, LLC
    • Barth R. Pitchford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wireless fluid shut-off valve
    • Patent number 8,567,757
    • Issue date Oct 29, 2013
    • Barth R. Pitchford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Wireless Fluid Shut-Off Valve
    • Publication number 20140110613
    • Publication date Apr 24, 2014
    • Gas Sentinel LLC
    • Barth R. Pitchford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Wireless Fluid Shut-Off Valve
    • Publication number 20140061519
    • Publication date Mar 6, 2014
    • Barth R. Pitchford
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Wireless Fluid Shut-Off Valve
    • Publication number 20110284777
    • Publication date Nov 24, 2011
    • Fluid Power Controls, Inc.
    • Barth Pitchford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...