TREA

using rail contacts

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Industry

  • CPC
  • B61L29/224
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L29/00Safety means for rail/road crossing traffic

Current Industry

B61L29/224using rail contacts
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Automated railway monitoring system
    • Patent number 6,511,023
    • Issue date Jan 28, 2003
    • Sydney Allen Harland
    • B61 - RAILWAYS
  • Information Patent Grant

    Automated rail way crossing
    • Patent number 6,241,197
    • Issue date Jun 5, 2001
    • Sydney A. Harland
    • B61 - RAILWAYS
  • Information Patent Grant

    Arrangement for detecting an object by means of sound conducted thr...
    • Patent number 5,265,831
    • Issue date Nov 30, 1993
    • Bruno Muller
    • B61 - RAILWAYS
  • Information Patent Grant

    2178880
    • Patent number 2,178,880
    • Issue date Nov 7, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2170467
    • Patent number 2,170,467
    • Issue date Aug 22, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2157602
    • Patent number 2,157,602
    • Issue date May 9, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2001147
    • Patent number 2,001,147
    • Issue date May 14, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1914359
    • Patent number 1,914,359
    • Issue date Jun 20, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1899496
    • Patent number 1,899,496
    • Issue date Feb 28, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1891739
    • Patent number 1,891,739
    • Issue date Dec 20, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1842128
    • Patent number 1,842,128
    • Issue date Jan 19, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1832812
    • Patent number 1,832,812
    • Issue date Nov 17, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1830011
    • Patent number 1,830,011
    • Issue date Nov 3, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1823596
    • Patent number 1,823,596
    • Issue date Sep 15, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1814608
    • Patent number 1,814,608
    • Issue date Jul 14, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1806497
    • Patent number 1,806,497
    • Issue date May 19, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1792294
    • Patent number 1,792,294
    • Issue date Feb 10, 1931
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1773043
    • Patent number 1,773,043
    • Issue date Aug 12, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1765178
    • Patent number 1,765,178
    • Issue date Jun 17, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1759742
    • Patent number 1,759,742
    • Issue date May 20, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1731908
    • Patent number 1,731,908
    • Issue date Oct 15, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1716340
    • Patent number 1,716,340
    • Issue date Jun 4, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1698424
    • Patent number 1,698,424
    • Issue date Jan 8, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1686430
    • Patent number 1,686,430
    • Issue date Oct 2, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1682573
    • Patent number 1,682,573
    • Issue date Aug 28, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1676960
    • Patent number 1,676,960
    • Issue date Jul 10, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1666559
    • Patent number 1,666,559
    • Issue date Apr 17, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1663184
    • Patent number 1,663,184
    • Issue date Mar 20, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1663040
    • Patent number 1,663,040
    • Issue date Mar 20, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1661051
    • Patent number 1,661,051
    • Issue date Feb 28, 1928
    • B61 - RAILWAYS

Patents Applicationslast 30 patents