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Allen D. Dvorak

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-vane flow rate stabilizer for throttling valves
    • Patent number 5,931,445
    • Issue date Aug 3, 1999
    • Fisher Controls International, Inc.
    • Allen D. Dvorak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow rate stabilizer for throttling valves
    • Patent number 5,765,814
    • Issue date Jun 16, 1998
    • Fisher Controls International, Inc.
    • Allen D. Dvorak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...