TREA

using rectified alternating current

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Industry

  • CPC
  • B61L23/165
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L23/00Control, warning, or like safety means along the route or between vehicles or vehicle trains

Current Industry

B61L23/165using rectified alternating current
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Train detection system for a railway track section, associated rail...
    • Patent number 10,614,708
    • Issue date Apr 7, 2020
    • ALSTOM TRANSPORT TECHNOLOGIES
    • Jared Cooper
    • G08 - SIGNALLING
  • Information Patent Grant

    2318542
    • Patent number 2,318,542
    • Issue date May 4, 1943
    • B61 - RAILWAYS
  • Information Patent Grant

    1730135
    • Patent number 1,730,135
    • Issue date Oct 1, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1704736
    • Patent number 1,704,736
    • Issue date Mar 12, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1653625
    • Patent number 1,653,625
    • Issue date Dec 27, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1645529
    • Patent number 1,645,529
    • Issue date Oct 18, 1927
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...