TREA

Use of additional conductors for examining leakages between rails

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Industry

  • CPC
  • B61L1/184
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L1/00Devices along the route controlled by interaction with the vehicle or vehicle train

Current Industry

B61L1/184Use of additional conductors for examining leakages between rails
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for testing track circuits
    • Patent number 9,862,395
    • Issue date Jan 9, 2018
    • General Electric Company
    • Nick Nagrodsky
    • B61 - RAILWAYS
  • Information Patent Grant

    Concrete sleeper for track circuitry
    • Patent number 4,265,400
    • Issue date May 5, 1981
    • Humes Limited
    • John V. W. Jordon
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2220494
    • Patent number 2,220,494
    • Issue date Nov 5, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2134962
    • Patent number 2,134,962
    • Issue date Nov 1, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2120037
    • Patent number 2,120,037
    • Issue date Jun 7, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2095684
    • Patent number 2,095,684
    • Issue date Oct 12, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2089836
    • Patent number 2,089,836
    • Issue date Aug 10, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2080069
    • Patent number 2,080,069
    • Issue date May 11, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2061747
    • Patent number 2,061,747
    • Issue date Nov 24, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    2055811
    • Patent number 2,055,811
    • Issue date Sep 29, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    2019167
    • Patent number 2,019,167
    • Issue date Oct 29, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1794599
    • Patent number 1,794,599
    • Issue date Mar 3, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1754592
    • Patent number 1,754,592
    • Issue date Apr 15, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1687124
    • Patent number 1,687,124
    • Issue date Oct 9, 1928
    • B61 - RAILWAYS

Patents Applicationslast 30 patents