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Donald R. David

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  • Raytown, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Overfill prevention valve assembly
    • Patent number 10,139,841
    • Issue date Nov 27, 2018
    • Clay & Bailey Manufacturing Company
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tank manway with non-corrosive cover
    • Patent number 9,334,108
    • Issue date May 10, 2016
    • Clay & Bailey Manufacturing Company
    • Donald R. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Emergency relief vent for fuel storage tanks
    • Patent number 8,171,955
    • Issue date May 8, 2012
    • Clay & Bailey Manufacturing Company
    • Donald R. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Overfill prevention valve for shallow tanks
    • Patent number 7,584,766
    • Issue date Sep 8, 2009
    • Clay & Bailey Manufacturing Company
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Filling limitor for small, shallow liquid storage tanks
    • Patent number 6,536,465
    • Issue date Mar 25, 2003
    • Clay & Bailey Manufacturing Company
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Temperature and pressure resistant shutoff valve
    • Patent number 5,531,247
    • Issue date Jul 2, 1996
    • Clay & Bailey Manufacturing Company
    • Ronald W. Borst
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    OVERFILL PREVENTION VALVE ASSEMBLY
    • Publication number 20180074526
    • Publication date Mar 15, 2018
    • CLAY AND BAILEY MANUFACTURING COMPANY
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TANK MANWAY WITH NON-CORROSIVE COVER
    • Publication number 20160214792
    • Publication date Jul 28, 2016
    • CLAY AND BAILEY MANUFACTURING COMPANY
    • Donald R. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    TANK MANWAY WITH NON-CORROSIVE COVER
    • Publication number 20140237902
    • Publication date Aug 28, 2014
    • Donald R. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Emergency Relief Vent for Fuel Storage Tanks
    • Publication number 20090308877
    • Publication date Dec 17, 2009
    • CLAY AND BAILEY MANUFACTURING COMPANY
    • Donald R. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Overfill prevention valve for shallow tanks
    • Publication number 20070209713
    • Publication date Sep 13, 2007
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Filling limitor for small, shallow liquid storage tanks
    • Publication number 20020148505
    • Publication date Oct 17, 2002
    • Donald R. David
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...