TREA

using conductor circuits with separate contacts or conductors

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Industry

  • CPC
  • B61L29/222
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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

B61L29/222using conductor circuits with separate contacts or conductors
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rail line sensing and safety system
    • Patent number 8,752,797
    • Issue date Jun 17, 2014
    • Metrom Rail, LLC
    • Richard C. Carlson
    • B61 - RAILWAYS
  • Information Patent Grant

    2899545
    • Patent number 2,899,545
    • Issue date Aug 11, 1959
    • B61 - RAILWAYS
  • Information Patent Grant

    2126548
    • Patent number 2,126,548
    • Issue date Aug 9, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    1879919
    • Patent number 1,879,919
    • Issue date Sep 27, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1862276
    • Patent number 1,862,276
    • Issue date Jun 7, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1818824
    • Patent number 1,818,824
    • Issue date Aug 11, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1818534
    • Patent number 1,818,534
    • Issue date Aug 11, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1798992
    • Patent number 1,798,992
    • Issue date Mar 31, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1785093
    • Patent number 1,785,093
    • Issue date Dec 16, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1766516
    • Patent number 1,766,516
    • Issue date Jun 24, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1729325
    • Patent number 1,729,325
    • Issue date Sep 24, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1718001
    • Patent number 1,718,001
    • Issue date Jun 18, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1700933
    • Patent number 1,700,933
    • Issue date Feb 5, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1692184
    • Patent number 1,692,184
    • Issue date Nov 20, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1682353
    • Patent number 1,682,353
    • Issue date Aug 28, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1675824
    • Patent number 1,675,824
    • Issue date Jul 3, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1656469
    • Patent number 1,656,469
    • Issue date Jan 17, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1653697
    • Patent number 1,653,697
    • Issue date Dec 27, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1654010
    • Patent number 1,654,010
    • Issue date Dec 27, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1651326
    • Patent number 1,651,326
    • Issue date Nov 29, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1616887
    • Patent number 1,616,887
    • Issue date Feb 8, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1611361
    • Patent number 1,611,361
    • Issue date Dec 21, 1926
    • B61 - RAILWAYS
  • Information Patent Grant

    1600745
    • Patent number 1,600,745
    • Issue date Sep 21, 1926
    • B61 - RAILWAYS
  • Information Patent Grant

    1551109
    • Patent number 1,551,109
    • Issue date Aug 25, 1925
    • B61 - RAILWAYS
  • Information Patent Grant

    1540171
    • Patent number 1,540,171
    • Issue date Jun 2, 1925
    • B61 - RAILWAYS
  • Information Patent Grant

    1535960
    • Patent number 1,535,960
    • Issue date Apr 28, 1925
    • B61 - RAILWAYS
  • Information Patent Grant

    1535047
    • Patent number 1,535,047
    • Issue date Apr 21, 1925
    • B61 - RAILWAYS
  • Information Patent Grant

    1517446
    • Patent number 1,517,446
    • Issue date Dec 2, 1924
    • B61 - RAILWAYS
  • Information Patent Grant

    1481128
    • Patent number 1,481,128
    • Issue date Jan 15, 1924
    • B61 - RAILWAYS
  • Information Patent Grant

    1478970
    • Patent number 1,478,970
    • Issue date Dec 25, 1923
    • B61 - RAILWAYS

Patents Applicationslast 30 patents