TREA

Use of current of indifferent sort or a combination of different current types

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Industry

  • CPC
  • B61L1/182
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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

B61L1/182Use of current of indifferent sort or a combination of different current types
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method, controller and track circuit for determining the relationsh...
    • Patent number 11,780,482
    • Issue date Oct 10, 2023
    • ALSTOM TRANSPORT TECHNOLOGIES
    • Nenad Mijatovic
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and system for a track signaling system without insulated jo...
    • Patent number 7,815,151
    • Issue date Oct 19, 2010
    • General Electric Company
    • Andrew Lawrence Ruggiero
    • B61 - RAILWAYS
  • Information Patent Grant

    3025393
    • Patent number 3,025,393
    • Issue date Mar 13, 1962
    • B61 - RAILWAYS
  • Information Patent Grant

    2565117
    • Patent number 2,565,117
    • Issue date Aug 21, 1951
    • B61 - RAILWAYS
  • Information Patent Grant

    2558638
    • Patent number 2,558,638
    • Issue date Jun 26, 1951
    • B61 - RAILWAYS
  • Information Patent Grant

    2514454
    • Patent number 2,514,454
    • Issue date Jul 11, 1950
    • B61 - RAILWAYS
  • Information Patent Grant

    2478601
    • Patent number 2,478,601
    • Issue date Aug 9, 1949
    • B61 - RAILWAYS
  • Information Patent Grant

    2448570
    • Patent number 2,448,570
    • Issue date Sep 7, 1948
    • B61 - RAILWAYS
  • Information Patent Grant

    2331253
    • Patent number 2,331,253
    • Issue date Oct 5, 1943
    • B61 - RAILWAYS
  • Information Patent Grant

    2222804
    • Patent number 2,222,804
    • Issue date Nov 26, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2217528
    • Patent number 2,217,528
    • Issue date Oct 8, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2216614
    • Patent number 2,216,614
    • Issue date Oct 1, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2215910
    • Patent number 2,215,910
    • Issue date Sep 24, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2162859
    • Patent number 2,162,859
    • Issue date Jun 20, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2147397
    • Patent number 2,147,397
    • Issue date Feb 14, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2143992
    • Patent number 2,143,992
    • Issue date Jan 17, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2120837
    • Patent number 2,120,837
    • Issue date Jun 14, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2113982
    • Patent number 2,113,982
    • Issue date Apr 12, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2108483
    • Patent number 2,108,483
    • Issue date Feb 15, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2083475
    • Patent number 2,083,475
    • Issue date Jun 8, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    1940386
    • Patent number 1,940,386
    • Issue date Dec 19, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1921786
    • Patent number 1,921,786
    • Issue date Aug 8, 1933
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    1914929
    • Patent number 1,914,929
    • Issue date Jun 20, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1824126
    • Patent number 1,824,126
    • Issue date Sep 22, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1804666
    • Patent number 1,804,666
    • Issue date May 12, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1777651
    • Patent number 1,777,651
    • Issue date Oct 7, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1626285
    • Patent number 1,626,285
    • Issue date Apr 26, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1604667
    • Patent number 1,604,667
    • Issue date Oct 26, 1926
    • B61 - RAILWAYS
  • Information Patent Grant

    1377439
    • Patent number 1,377,439
    • Issue date May 10, 1921
    • B61 - RAILWAYS

Patents Applicationslast 30 patents