electric

Patents Grantslast 30 patents

  • Information Patent Grant

    Diesel multiple unit, and electricity supply system and traction co...

    • Patent number 11,034,367
    • Issue date Jun 15, 2021
    • CRRC ZHUZHOU LOCOMOTIVE CO., LTD
    • Ying Yang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Track maintenance machine

    • Patent number 10,730,532
    • Issue date Aug 4, 2020
    • Plasser & Theurer Export von Bahnbaumaschinen m.b.H.
    • Michael Mueller
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Speed limiting means for variable-speed prime mover

    • Patent number 4,592,323
    • Issue date Jun 3, 1986
    • General Electric Company
    • Glenn E. Vest
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3479968

    • Patent number 3,479,968
    • Issue date Nov 25, 1969
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2838298

    • Patent number 2,838,298
    • Issue date Jun 10, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2667247

    • Patent number 2,667,247
    • Issue date Jan 26, 1954
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2588627

    • Patent number 2,588,627
    • Issue date Mar 11, 1952
    • B61 - RAILWAYS
  • Information Patent Grant

    2491200

    • Patent number 2,491,200
    • Issue date Dec 13, 1949
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2472924

    • Patent number 2,472,924
    • Issue date Jun 14, 1949
    • B61 - RAILWAYS
  • Information Patent Grant

    2453483

    • Patent number 2,453,483
    • Issue date Nov 9, 1948
    • B61 - RAILWAYS
  • Information Patent Grant

    2342724

    • Patent number 2,342,724
    • Issue date Feb 29, 1944
    • B61 - RAILWAYS
  • Information Patent Grant

    2317849

    • Patent number 2,317,849
    • Issue date Apr 27, 1943
    • B61 - RAILWAYS
  • Information Patent Grant

    2299420

    • Patent number 2,299,420
    • Issue date Oct 20, 1942
    • B61 - RAILWAYS
  • Information Patent Grant

    2249628

    • Patent number 2,249,628
    • Issue date Jul 15, 1941
    • B61 - RAILWAYS
  • Information Patent Grant

    2170742

    • Patent number 2,170,742
    • Issue date Aug 22, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2070895

    • Patent number 2,070,895
    • Issue date Feb 16, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    2059471

    • Patent number 2,059,471
    • Issue date Nov 3, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    2045510

    • Patent number 2,045,510
    • Issue date Jun 23, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    2026846

    • Patent number 2,026,846
    • Issue date Jan 7, 1936
    • B61 - RAILWAYS
  • Information Patent Grant

    2025468

    • Patent number 2,025,468
    • Issue date Dec 24, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    2005165

    • Patent number 2,005,165
    • Issue date Jun 18, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1997299

    • Patent number 1,997,299
    • Issue date Apr 9, 1935
    • B61 - RAILWAYS
  • Information Patent Grant

    1971998

    • Patent number 1,971,998
    • Issue date Aug 28, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1955314

    • Patent number 1,955,314
    • Issue date Apr 17, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1922896

    • Patent number 1,922,896
    • Issue date Aug 15, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1918156

    • Patent number 1,918,156
    • Issue date Jul 11, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1887862

    • Patent number 1,887,862
    • Issue date Nov 15, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1888190

    • Patent number 1,888,190
    • Issue date Nov 15, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1855419

    • Patent number 1,855,419
    • Issue date Apr 26, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1839921

    • Patent number 1,839,921
    • Issue date Jan 5, 1932
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents