by auxiliary driving wheels by temporary coupling or use of fly wheels or booster engines

Patents Grantslast 30 patents

  • Information Patent Grant

    Overhead vehicle having spring-biased, rail-urged lever-mounted gui...

    • Patent number 5,666,884
    • Issue date Sep 16, 1997
    • Lopez Alba; Adelardo
    • Adelardo Lopez Alba
    • B61 - RAILWAYS
  • Information Patent Grant

    Electric overhead trolley system with auxiliary rail and driven aux...

    • Patent number 5,092,249
    • Issue date Mar 3, 1992
    • Fredenhagen AG
    • Werner Knuettel
    • B61 - RAILWAYS
  • Information Patent Grant

    Overhead conveyor which provides increased reactive force and tract...

    • Patent number 5,069,141
    • Issue date Dec 3, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Osamu Ohara
    • B61 - RAILWAYS
  • Information Patent Grant

    Rolling contact suction system for vehicle braking and adhesion

    • Patent number 4,699,252
    • Issue date Oct 13, 1987
    • Peter Sing
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3648617

    • Patent number 3,648,617
    • Issue date Mar 14, 1972
    • B61 - RAILWAYS
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    3238896

    • Patent number 3,238,896
    • Issue date Mar 8, 1966
    • B60 - VEHICLES IN GENERAL
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    3209704

    • Patent number 3,209,704
    • Issue date Oct 5, 1965
    • B61 - RAILWAYS
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    2391657

    • Patent number 2,391,657
    • Issue date Dec 25, 1945
    • B61 - RAILWAYS
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    2290932

    • Patent number 2,290,932
    • Issue date Jul 28, 1942
    • B61 - RAILWAYS
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    2290703

    • Patent number 2,290,703
    • Issue date Jul 21, 1942
    • B60 - VEHICLES IN GENERAL
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    2247429

    • Patent number 2,247,429
    • Issue date Jul 1, 1941
    • B61 - RAILWAYS
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    2186355

    • Patent number 2,186,355
    • Issue date Jan 9, 1940
    • B61 - RAILWAYS
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    2181244

    • Patent number 2,181,244
    • Issue date Nov 28, 1939
    • B61 - RAILWAYS
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    2149063

    • Patent number 2,149,063
    • Issue date Feb 28, 1939
    • B61 - RAILWAYS
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    2065224

    • Patent number 2,065,224
    • Issue date Dec 22, 1936
    • B61 - RAILWAYS
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    2037641

    • Patent number 2,037,641
    • Issue date Apr 14, 1936
    • B61 - RAILWAYS
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    2025126

    • Patent number 2,025,126
    • Issue date Dec 24, 1935
    • B61 - RAILWAYS
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    2024298

    • Patent number 2,024,298
    • Issue date Dec 17, 1935
    • B61 - RAILWAYS
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    2021315

    • Patent number 2,021,315
    • Issue date Nov 19, 1935
    • B61 - RAILWAYS
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    1987975

    • Patent number 1,987,975
    • Issue date Jan 15, 1935
    • B61 - RAILWAYS
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    1981181

    • Patent number 1,981,181
    • Issue date Nov 20, 1934
    • B61 - RAILWAYS
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    1979904

    • Patent number 1,979,904
    • Issue date Nov 6, 1934
    • B61 - RAILWAYS
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    1952272

    • Patent number 1,952,272
    • Issue date Mar 27, 1934
    • B61 - RAILWAYS
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    1952271

    • Patent number 1,952,271
    • Issue date Mar 27, 1934
    • B61 - RAILWAYS
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    1950449

    • Patent number 1,950,449
    • Issue date Mar 13, 1934
    • B61 - RAILWAYS
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    1939277

    • Patent number 1,939,277
    • Issue date Dec 12, 1933
    • B61 - RAILWAYS
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    1913411

    • Patent number 1,913,411
    • Issue date Jun 13, 1933
    • B61 - RAILWAYS
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    1904181

    • Patent number 1,904,181
    • Issue date Apr 18, 1933
    • B61 - RAILWAYS
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    1886877

    • Patent number 1,886,877
    • Issue date Nov 8, 1932
    • B61 - RAILWAYS
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    1880144

    • Patent number 1,880,144
    • Issue date Sep 27, 1932
    • B61 - RAILWAYS