by introducing additional fresh material under the sleepers

Patents Grantslast 30 patents

  • Information Patent Grant

    Road rail stoneblower

    • Patent number 10,760,221
    • Issue date Sep 1, 2020
    • HARSCO TECHNOLOGIES LLC
    • Brett Hofer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Stoneblower for rail applications

    • Patent number 10,060,078
    • Issue date Aug 28, 2018
    • HARSCO TECHNOLOGIES LLC
    • Victor Vargas
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Switch stoneblower

    • Patent number 6,334,396
    • Issue date Jan 1, 2002
    • Pandrol Jackson, Inc.
    • William E. Perry
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Stone metering system for railroad track maintenance vehicle

    • Patent number 5,865,592
    • Issue date Feb 2, 1999
    • Pandrol Jackson, Inc.
    • Kevin A. Hansen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Stone metering system for railroad track maintenance vehicle

    • Patent number 5,584,641
    • Issue date Dec 17, 1996
    • Pandrol Jackson, Inc.
    • Kevin A. Hansen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Stoneblower having adjustable workheads and improved blowing tubes

    • Patent number 5,577,446
    • Issue date Nov 26, 1996
    • Pandrol Jackson, Inc.
    • William E. Perry
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Tool for stone-blowing

    • Patent number 4,850,752
    • Issue date Jul 25, 1989
    • Kango Wolf Power Tools Limited
    • Andrew S. Carey-Yard
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Track leveling method

    • Patent number 4,528,912
    • Issue date Jul 16, 1985
    • Johann Hansmann
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Mobile track position correction machine

    • Patent number 4,497,256
    • Issue date Feb 5, 1985
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
    • Johann Hansmann
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Maintenance of railway track

    • Patent number 4,386,570
    • Issue date Jun 7, 1983
    • British Railways Board
    • John M. Waters
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3877640

    • Patent number 3,877,640
    • Issue date Apr 15, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3872929

    • Patent number 3,872,929
    • Issue date Mar 25, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3728281

    • Patent number 3,728,281
    • Issue date Apr 17, 1973
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2710232

    • Patent number 2,710,232
    • Issue date Jun 7, 1955
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2669942

    • Patent number 2,669,942
    • Issue date Feb 23, 1954
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2596701

    • Patent number 2,596,701
    • Issue date May 13, 1952
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2447216

    • Patent number 2,447,216
    • Issue date Aug 17, 1948
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2440921

    • Patent number 2,440,921
    • Issue date May 4, 1948
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2357769

    • Patent number 2,357,769
    • Issue date Sep 5, 1944
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2353990

    • Patent number 2,353,990
    • Issue date Jul 18, 1944
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2070260

    • Patent number 2,070,260
    • Issue date Feb 9, 1937
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1899944

    • Patent number 1,899,944
    • Issue date Mar 7, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1565697

    • Patent number 1,565,697
    • Issue date Dec 15, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1511035

    • Patent number 1,511,035
    • Issue date Oct 7, 1924
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1041878

    • Patent number 1,041,878
    • Issue date Oct 22, 1912
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    707840

    • Patent number 707,840
    • Issue date Aug 26, 1902
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    676128

    • Patent number 676,128
    • Issue date Jun 11, 1901
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    676129

    • Patent number 676,129
    • Issue date Jun 11, 1901
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    472072

    • Patent number 472,072
    • Issue date Apr 5, 1892
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    ROAD RAIL STONEBLOWER

    • Publication number 20180371698
    • Publication date Dec 27, 2018
    • HARSCO TECHNOLOGIES LLC
    • Brett HOFER
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    SWITCH STONEBLOWER

    • Publication number 20010042487
    • Publication date Nov 22, 2001
    • WILLIAM E. PERRY
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES