TREA

John B. Whitaker Jr.

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  • Wetumpka, AL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self metering ballast system
    • Patent number 5,201,127
    • Issue date Apr 13, 1993
    • Keshaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Points and crossing changer
    • Patent number 5,127,335
    • Issue date Jul 7, 1992
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ballast wagon for reviewing railway ballast with rotary storage drums
    • Patent number 5,099,766
    • Issue date Mar 31, 1992
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method and apparatus for cleaning ballast
    • Patent number 4,967,847
    • Issue date Nov 6, 1990
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cutter chain link and tool holder combination unit
    • Patent number D305898
    • Issue date Feb 6, 1990
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Interstitial ballast vibrator
    • Patent number 4,890,557
    • Issue date Jan 2, 1990
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Apparatus for removing ballast from beneath railroad tracks
    • Patent number 4,882,860
    • Issue date Nov 28, 1989
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ballast removal apparatus
    • Patent number 4,850,123
    • Issue date Jul 25, 1989
    • Kershaw Manufacturing Co., Inc.
    • John B. Whitaker
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Adzer cribber
    • Patent number 4,848,426
    • Issue date Jul 18, 1989
    • Kershaw Manufacturing Co., Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Compaction tamper
    • Patent number 4,843,967
    • Issue date Jul 4, 1989
    • Kershaw Manufacturing Company, Ind.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method and apparatus for reconditioning ballast along a railroad track
    • Patent number 4,705,115
    • Issue date Nov 10, 1987
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ballast removing apparatus
    • Patent number 4,674,208
    • Issue date Jun 23, 1987
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Apparatus for removing ballast from beneath a railroad track
    • Patent number 4,563,826
    • Issue date Jan 14, 1986
    • Kershaw Manufacturing Company, Inc.
    • John B. Whitaker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES