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General methods for making gapless tracks

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  • CPC
  • E01B11/46
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EFIXED CONSTRUCTIONS E01Road, railway construction E01BPERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS E01B11/00Rail joints

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E01B11/46General methods for making gapless tracks
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail tool-holder cart
    • Patent number 11,939,727
    • Issue date Mar 26, 2024
    • Cembre S.p.A.
    • Gualtiero Barezzani
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method and mould for welding the ends of two rail portions
    • Patent number 10,011,956
    • Issue date Jul 3, 2018
    • SNCF RESEAU
    • Arnaud Lorieux
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of cooling rail weld zone, and rail weld joint
    • Patent number 8,557,064
    • Issue date Oct 15, 2013
    • Nippon Steel & Sumitomo Metal Corporation
    • Kenichi Karimine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mobile rail heater and method for expanding rails
    • Patent number 4,860,727
    • Issue date Aug 29, 1989
    • Mark E. Eads
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Guideway for continuous welded rail
    • Patent number 4,343,432
    • Issue date Aug 10, 1982
    • Frank J. Belenguer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3896734
    • Patent number 3,896,734
    • Issue date Jul 29, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3635165
    • Patent number 3,635,165
    • Issue date Jan 18, 1972
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3593918
    • Patent number 3,593,918
    • Issue date Jul 20, 1971
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3456333
    • Patent number 3,456,333
    • Issue date Jul 22, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3409962
    • Patent number 3,409,962
    • Issue date Nov 12, 1968
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3366075
    • Patent number 3,366,075
    • Issue date Jan 30, 1968
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2540433
    • Patent number 2,540,433
    • Issue date Feb 6, 1951
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2009113
    • Patent number 2,009,113
    • Issue date Jul 23, 1935
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1800453
    • Patent number 1,800,453
    • Issue date Apr 14, 1931
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1762086
    • Patent number 1,762,086
    • Issue date Jun 3, 1930
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1729464
    • Patent number 1,729,464
    • Issue date Sep 24, 1929
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents