TREA

Direct mechanical or chemical fixing of sleepers onto underground

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Industry

  • CPC
  • E01B2204/04
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Parent Industries

EFIXED CONSTRUCTIONS E01Road, railway construction E01BPERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS E01B2204/00Characteristics of the track and its foundations

Current Industry

E01B2204/04Direct mechanical or chemical fixing of sleepers onto underground
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Resilient coat for tie of direct-connection type track
    • Patent number 4,652,495
    • Issue date Mar 24, 1987
    • Japanese National Railways
    • Yoshihiko Sato
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3565336
    • Patent number 3,565,336
    • Issue date Feb 23, 1971
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents