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Donald K. Fritts

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Particulate deflagration combustion engine
    • Patent number 7,784,435
    • Issue date Aug 31, 2010
    • Deflagration Energy, L.L.C.
    • Donald Keith Fritts
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Flash gas venting and flame arresting apparatus
    • Patent number 5,191,990
    • Issue date Mar 9, 1993
    • BS & B Safety Systems, Inc.
    • Donald K. Fritts
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Rupture disk failure indicating apparatus
    • Patent number 4,951,697
    • Issue date Aug 28, 1990
    • BS & B Safety Systems, Inc.
    • Donald K. Fritts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...