using electrically controlled fluid-pressure operated driving means

Patents Grantslast 30 patents

  • Information Patent Grant

    Railroad switch device

    • Patent number 11,780,478
    • Issue date Oct 10, 2023
    • Dilson dos Santos Rodrigues
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Hydraulic oil control unit for supplying hydraulic oil actuators in...

    • Patent number 8,646,730
    • Issue date Feb 11, 2014
    • Alstom Transport SA
    • Davide Guglielmo
    • B61 - RAILWAYS
  • Information Patent Grant

    Hydraulic motor for railway switches

    • Patent number 8,302,915
    • Issue date Nov 6, 2012
    • General Electric Company
    • Maurizio Biagiotti
    • B61 - RAILWAYS
  • Information Patent Grant

    Device for displacing the moveable parts of rail switches or crossings

    • Patent number 6,402,095
    • Issue date Jun 11, 2002
    • VAE Aktiengesellschaft
    • Herbert Achleitner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Railway switch setting device

    • Patent number 6,056,244
    • Issue date May 2, 2000
    • Vae Aktiengesellschaft
    • Gerald Durchschlag
    • B61 - RAILWAYS
  • Information Patent Grant

    Hydraulic switch stand

    • Patent number 5,775,647
    • Issue date Jul 7, 1998
    • Michael L. Wyatt
    • B61 - RAILWAYS
  • Information Patent Grant

    Device for operating switches

    • Patent number 5,687,935
    • Issue date Nov 18, 1997
    • VAE Aktiengesellschaft
    • Gerald Durchschlag
    • B61 - RAILWAYS
  • Information Patent Grant

    Railroad switch machine

    • Patent number 4,428,552
    • Issue date Jan 31, 1984
    • Abex Corporation
    • Earl E. Frank
    • B61 - RAILWAYS
  • Information Patent Grant

    Fluidically operated railway switch machine

    • Patent number 4,213,588
    • Issue date Jul 22, 1980
    • Westinghouse Brake and Signal Co. Ltd.
    • Colin M. Bowles
    • B61 - RAILWAYS
  • Information Patent Grant

    3842256

    • Patent number 3,842,256
    • Issue date Oct 15, 1974
    • B61 - RAILWAYS
  • Information Patent Grant

    3601606

    • Patent number 3,601,606
    • Issue date Aug 24, 1971
    • B61 - RAILWAYS
  • Information Patent Grant

    3068900

    • Patent number 3,068,900
    • Issue date Dec 18, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3015464

    • Patent number 3,015,464
    • Issue date Jan 2, 1962
    • B61 - RAILWAYS
  • Information Patent Grant

    3004528

    • Patent number 3,004,528
    • Issue date Oct 17, 1961
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2961206

    • Patent number 2,961,206
    • Issue date Nov 22, 1960
    • B61 - RAILWAYS
  • Information Patent Grant

    2866612

    • Patent number 2,866,612
    • Issue date Dec 30, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2829851

    • Patent number 2,829,851
    • Issue date Apr 8, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2769901

    • Patent number 2,769,901
    • Issue date Nov 6, 1956
    • B61 - RAILWAYS
  • Information Patent Grant

    2367716

    • Patent number 2,367,716
    • Issue date Jan 23, 1945
    • B61 - RAILWAYS
  • Information Patent Grant

    2294496

    • Patent number 2,294,496
    • Issue date Sep 1, 1942
    • B61 - RAILWAYS
  • Information Patent Grant

    2248915

    • Patent number 2,248,915
    • Issue date Jul 8, 1941
    • B61 - RAILWAYS
  • Information Patent Grant

    2203913

    • Patent number 2,203,913
    • Issue date Jun 11, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2146081

    • Patent number 2,146,081
    • Issue date Feb 7, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2130444

    • Patent number 2,130,444
    • Issue date Sep 20, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    2092828

    • Patent number 2,092,828
    • Issue date Sep 14, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2085891

    • Patent number 2,085,891
    • Issue date Jul 6, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2062048

    • Patent number 2,062,048
    • Issue date Nov 24, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    1908504

    • Patent number 1,908,504
    • Issue date May 9, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1895067

    • Patent number 1,895,067
    • Issue date Jan 24, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1875853

    • Patent number 1,875,853
    • Issue date Sep 6, 1932
    • B61 - RAILWAYS

Patents Applicationslast 30 patents