TREA

Protection against eddy-currents, short-circuits, or the like, for electric safety arrangements

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Industry

  • CPC
  • B61L7/068
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L7/00Remote control of local operating means for points, signals, or trackmounted scotch-blocks

Current Industry

B61L7/068Protection against eddy-currents, short-circuits, or the like, for electric safety arrangements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for the protection of an electric line for railwa...
    • Patent number 8,644,958
    • Issue date Feb 4, 2014
    • Sirti S.p.A.
    • Maurizio Morelli
    • B61 - RAILWAYS
  • Information Patent Grant

    3453426
    • Patent number 3,453,426
    • Issue date Jul 1, 1969
    • B61 - RAILWAYS
  • Information Patent Grant

    3235744
    • Patent number 3,235,744
    • Issue date Feb 15, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3229112
    • Patent number 3,229,112
    • Issue date Jan 11, 1966
    • B61 - RAILWAYS
  • Information Patent Grant

    2967256
    • Patent number 2,967,256
    • Issue date Jan 3, 1961
    • B61 - RAILWAYS
  • Information Patent Grant

    2735089
    • Patent number 2,735,089
    • Issue date Feb 14, 1956
    • B61 - RAILWAYS
  • Information Patent Grant

    2625597
    • Patent number 2,625,597
    • Issue date Jan 13, 1953
    • B61 - RAILWAYS
  • Information Patent Grant

    2623107
    • Patent number 2,623,107
    • Issue date Dec 23, 1952
    • B61 - RAILWAYS
  • Information Patent Grant

    2220744
    • Patent number 2,220,744
    • Issue date Nov 5, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2164893
    • Patent number 2,164,893
    • Issue date Jul 4, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2124848
    • Patent number 2,124,848
    • Issue date Jul 26, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2010840
    • Patent number 2,010,840
    • Issue date Aug 13, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1994589
    • Patent number 1,994,589
    • Issue date Mar 19, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1958161
    • Patent number 1,958,161
    • Issue date May 8, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1942135
    • Patent number 1,942,135
    • Issue date Jan 2, 1934
    • B61 - RAILWAYS

Patents Applicationslast 30 patents