TREA

using separate conductors

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Industry

  • CPC
  • B61L3/185
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L3/00Devices along the route for controlling devices on the vehicle or vehicle train

Current Industry

B61L3/185using separate conductors
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Regenerative braking protection for an electrically-propelled tract...
    • Patent number 5,331,261
    • Issue date Jul 19, 1994
    • General Electric Company
    • Herbert J. Brown
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Dual contacts on voltage rail
    • Patent number 4,892,980
    • Issue date Jan 9, 1990
    • J. N. Fauver Company
    • Ron Riley
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway safety system using intensity of current
    • Patent number 4,133,505
    • Issue date Jan 9, 1979
    • Domenico Bongiorno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Car signaling system
    • Patent number 4,012,019
    • Issue date Mar 15, 1977
    • Hitachi, Ltd.
    • Hisakatsu Kiwaki
    • B61 - RAILWAYS
  • Information Patent Grant

    3892377
    • Patent number 3,892,377
    • Issue date Jul 1, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3884437
    • Patent number 3,884,437
    • Issue date May 20, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3879004
    • Patent number 3,879,004
    • Issue date Apr 22, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3840736
    • Patent number 3,840,736
    • Issue date Oct 8, 1974
    • B61 - RAILWAYS
  • Information Patent Grant

    3600604
    • Patent number 3,600,604
    • Issue date Aug 17, 1971
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3387880
    • Patent number 3,387,880
    • Issue date Jun 11, 1968
    • B61 - RAILWAYS
  • Information Patent Grant

    2571499
    • Patent number 2,571,499
    • Issue date Oct 16, 1951
    • B61 - RAILWAYS
  • Information Patent Grant

    2447497
    • Patent number 2,447,497
    • Issue date Aug 24, 1948
    • B61 - RAILWAYS
  • Information Patent Grant

    2214924
    • Patent number 2,214,924
    • Issue date Sep 17, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2111647
    • Patent number 2,111,647
    • Issue date Mar 22, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2098363
    • Patent number 2,098,363
    • Issue date Nov 9, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    1923499
    • Patent number 1,923,499
    • Issue date Aug 22, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1877626
    • Patent number 1,877,626
    • Issue date Sep 13, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1862736
    • Patent number 1,862,736
    • Issue date Jun 14, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1824144
    • Patent number 1,824,144
    • Issue date Sep 22, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1773316
    • Patent number 1,773,316
    • Issue date Aug 19, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1768539
    • Patent number 1,768,539
    • Issue date Jul 1, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1727407
    • Patent number 1,727,407
    • Issue date Sep 10, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1661508
    • Patent number 1,661,508
    • Issue date Mar 6, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1655364
    • Patent number 1,655,364
    • Issue date Jan 3, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1647954
    • Patent number 1,647,954
    • Issue date Nov 1, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1644346
    • Patent number 1,644,346
    • Issue date Oct 4, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1627748
    • Patent number 1,627,748
    • Issue date May 10, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1617402
    • Patent number 1,617,402
    • Issue date Feb 15, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1599249
    • Patent number 1,599,249
    • Issue date Sep 7, 1926
    • B61 - RAILWAYS
  • Information Patent Grant

    1568847
    • Patent number 1,568,847
    • Issue date Jan 5, 1926
    • B61 - RAILWAYS

Patents Applicationslast 30 patents