TREA

Constructions with tongues turning about a vertical pivot at the end

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Industry

  • CPC
  • E01B7/04
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Parent Industries

EFIXED CONSTRUCTIONS E01Road, railway construction E01BPERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS E01B7/00Switches Crossings

Current Industry

E01B7/04Constructions with tongues turning about a vertical pivot at the end
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Tongue switch
    • Patent number 7,185,860
    • Issue date Mar 6, 2007
    • VAE Nortrak North America, Inc.
    • Cory O'Brien
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Tongue switch
    • Patent number 6,955,326
    • Issue date Oct 18, 2005
    • Vae Nortrak North America Inc.
    • Cory O'Brien
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Switch point roller assist apparatus
    • Patent number 5,501,418
    • Issue date Mar 26, 1996
    • John Humphrey
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Girder type switch track
    • Patent number 5,193,767
    • Issue date Mar 16, 1993
    • HSST Corporation
    • Kiyoshi Mihirogi
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    All weather switch for railroads
    • Patent number 4,534,527
    • Issue date Aug 13, 1985
    • Canadian Patents and Development Limited
    • Lawrence A. J. van Eyken
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railway double tongue switch
    • Patent number 4,251,042
    • Issue date Feb 17, 1981
    • Abex Corporation
    • Earl E. Frank
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3757113
    • Patent number 3,757,113
    • Issue date Sep 4, 1973
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2607003
    • Patent number 2,607,003
    • Issue date Aug 12, 1952
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2377273
    • Patent number 2,377,273
    • Issue date May 29, 1945
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2231232
    • Patent number 2,231,232
    • Issue date Feb 11, 1941
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2069904
    • Patent number 2,069,904
    • Issue date Feb 9, 1937
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1904206
    • Patent number 1,904,206
    • Issue date Apr 18, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1899408
    • Patent number 1,899,408
    • Issue date Feb 28, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1853981
    • Patent number 1,853,981
    • Issue date Apr 12, 1932
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1854022
    • Patent number 1,854,022
    • Issue date Apr 12, 1932
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1785454
    • Patent number 1,785,454
    • Issue date Dec 16, 1930
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1612668
    • Patent number 1,612,668
    • Issue date Dec 28, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1611537
    • Patent number 1,611,537
    • Issue date Dec 21, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1606708
    • Patent number 1,606,708
    • Issue date Nov 9, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1598830
    • Patent number 1,598,830
    • Issue date Sep 7, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1585185
    • Patent number 1,585,185
    • Issue date May 18, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1564340
    • Patent number 1,564,340
    • Issue date Dec 8, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1555303
    • Patent number 1,555,303
    • Issue date Sep 29, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1546595
    • Patent number 1,546,595
    • Issue date Jul 21, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1530246
    • Patent number 1,530,246
    • Issue date Mar 17, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1528569
    • Patent number 1,528,569
    • Issue date Mar 3, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1528167
    • Patent number 1,528,167
    • Issue date Mar 3, 1925
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1493163
    • Patent number 1,493,163
    • Issue date May 6, 1924
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1491467
    • Patent number 1,491,467
    • Issue date Apr 22, 1924
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1489236
    • Patent number 1,489,236
    • Issue date Apr 8, 1924
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    Solar Personal Rapid Transit System with Autonomous Pods
    • Publication number 20230095321
    • Publication date Mar 30, 2023
    • Solar Mobility Corp.
    • Huiming YIN
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Tongue switch
    • Publication number 20050116118
    • Publication date Jun 2, 2005
    • Cory O'Brien
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Tongue switch
    • Publication number 20030222181
    • Publication date Dec 4, 2003
    • Cory O'Brien
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES