TREA

Brent Duffner

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  • Pinson, AL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail fastening apparatus
    • Patent number 11,168,446
    • Issue date Nov 9, 2021
    • voestalpine Railway Systems Nortrak LLC
    • Brent Duffner
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railroad tie
    • Patent number D910487
    • Issue date Feb 16, 2021
    • voestalpine Railway Systems Nortrak Inc.
    • Gary Click
    • D12 - Transportation
  • Information Patent Grant

    Boltless rail brace
    • Patent number 10,400,397
    • Issue date Sep 3, 2019
    • Voestalpine Nortrak Inc.
    • Gary Click
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Dual independent control hydraulic switch machine
    • Patent number 9,352,762
    • Issue date May 31, 2016
    • Voestalpine Nortrak Inc.
    • Gary Click
    • B61 - RAILWAYS
  • Information Patent Grant

    Spring wing controller
    • Patent number 9,290,192
    • Issue date Mar 22, 2016
    • Voestalpine Nortrak Inc.
    • Gary Click
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Insulated rail joint assembly
    • Patent number 7,677,466
    • Issue date Mar 16, 2010
    • Vae Nortrak North America Inc.
    • Gary Click
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    Moveable Point Frog Friction-Reducing Assembly
    • Publication number 20240392512
    • Publication date Nov 28, 2024
    • voestalpine Railway Systems Nortrak LLC
    • Bradley Gene Smith
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    RAIL FASTENING APPARATUS
    • Publication number 20200063376
    • Publication date Feb 27, 2020
    • voestalpine Nortrak Inc.
    • Brent Duffner
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    BOLTLESS RAIL BRACE
    • Publication number 20180282949
    • Publication date Oct 4, 2018
    • voestalpine Nortrak Inc.
    • Gary Click
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    SPRING WING CONTROLLER
    • Publication number 20150159332
    • Publication date Jun 11, 2015
    • voestalpine Nortrak Inc.
    • Gary CLICK
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DUAL INDEPENDENT CONTROL HYDRAULIC SWITCH MACHINE
    • Publication number 20140339373
    • Publication date Nov 20, 2014
    • VOESTALPINE NORTRAK, INC.
    • Gary CLICK
    • B61 - RAILWAYS
  • Information Patent Application

    INTEGRATED LOCKING CONTROL AND STATUS INDICATOR FOR MANUALLY OPERAT...
    • Publication number 20100072326
    • Publication date Mar 25, 2010
    • Gary Click
    • B61 - RAILWAYS
  • Information Patent Application

    INSULATED RAIL JOINT ASSEMBLY
    • Publication number 20070272762
    • Publication date Nov 29, 2007
    • Gary Click
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES