TREA

DUANE BERGMANN

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  • Big Bear Lake, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turboexpander labyrinth seal
    • Patent number 11,686,390
    • Issue date Jun 27, 2023
    • ACD, LLC
    • Duane Bergmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Portable gas filling system
    • Patent number 9,945,517
    • Issue date Apr 17, 2018
    • ACD COMPANY
    • Craig Fennessy
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    TURBOEXPANDER LABYRINTH SEAL
    • Publication number 20230272856
    • Publication date Aug 31, 2023
    • ACD, LLC
    • Duane Bergmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TURBOEXPANDER LABYRINTH SEAL
    • Publication number 20200200273
    • Publication date Jun 25, 2020
    • ACD, LLC
    • Duane Bergmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PORTABLE GAS FILLING SYSTEM
    • Publication number 20110056217
    • Publication date Mar 10, 2011
    • CRAIG FENNESSY
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS