Switching device

Patents Grantslast 30 patents

  • Information Patent Grant

    Switch for magnetic suspension railroad

    • Patent number 3,994,236
    • Issue date Nov 30, 1976
    • Siemens Aktiengesellschaft
    • Hans-Jurgen Dull
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3913492

    • Patent number 3,913,492
    • Issue date Oct 21, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3905303

    • Patent number 3,905,303
    • Issue date Sep 16, 1975
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3896737

    • Patent number 3,896,737
    • Issue date Jul 29, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3768417

    • Patent number 3,768,417
    • Issue date Oct 30, 1973
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents