TREA

Devices for initiating the release of detonators in a certain position of a signal

Follow

Industry

  • CPC
  • B61L5/22
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L5/00Local operating mechanisms for points or track-mounted scotch-blocks Visible or audible signals Local operating mechanisms for visible or audible signals

Current Industry

B61L5/22Devices for initiating the release of detonators in a certain position of a signal
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2202611
    • Patent number 2,202,611
    • Issue date May 28, 1940
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2202615
    • Patent number 2,202,615
    • Issue date May 28, 1940
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1461165
    • Patent number 1,461,165
    • Issue date Jul 10, 1923
    • B61 - RAILWAYS

Patents Applicationslast 30 patents