TREA

mechanically

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Industry

  • CPC
  • B61L29/20
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L29/00Safety means for rail/road crossing traffic

Current Industry

B61L29/20mechanically
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2228909
    • Patent number 2,228,909
    • Issue date Jan 14, 1941
    • B61 - RAILWAYS
  • Information Patent Grant

    2211756
    • Patent number 2,211,756
    • Issue date Aug 20, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2131989
    • Patent number 2,131,989
    • Issue date Oct 4, 1938
    • B61 - RAILWAYS
  • Information Patent Grant

    1948512
    • Patent number 1,948,512
    • Issue date Feb 27, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1941017
    • Patent number 1,941,017
    • Issue date Dec 26, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1933284
    • Patent number 1,933,284
    • Issue date Oct 31, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1918815
    • Patent number 1,918,815
    • Issue date Jul 18, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1901680
    • Patent number 1,901,680
    • Issue date Mar 14, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1897123
    • Patent number 1,897,123
    • Issue date Feb 14, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1894940
    • Patent number 1,894,940
    • Issue date Jan 24, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1885759
    • Patent number 1,885,759
    • Issue date Nov 1, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1878234
    • Patent number 1,878,234
    • Issue date Sep 20, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1863310
    • Patent number 1,863,310
    • Issue date Jun 14, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1842928
    • Patent number 1,842,928
    • Issue date Jan 26, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1827782
    • Patent number 1,827,782
    • Issue date Oct 20, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1825780
    • Patent number 1,825,780
    • Issue date Oct 6, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1812735
    • Patent number 1,812,735
    • Issue date Jun 30, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1799058
    • Patent number 1,799,058
    • Issue date Mar 31, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1798721
    • Patent number 1,798,721
    • Issue date Mar 31, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1796164
    • Patent number 1,796,164
    • Issue date Mar 10, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1787674
    • Patent number 1,787,674
    • Issue date Jan 6, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1780520
    • Patent number 1,780,520
    • Issue date Nov 4, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1765936
    • Patent number 1,765,936
    • Issue date Jun 24, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1768388
    • Patent number 1,768,388
    • Issue date Jun 24, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1755948
    • Patent number 1,755,948
    • Issue date Apr 22, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1755050
    • Patent number 1,755,050
    • Issue date Apr 15, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1749053
    • Patent number 1,749,053
    • Issue date Mar 4, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1748721
    • Patent number 1,748,721
    • Issue date Feb 25, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1746238
    • Patent number 1,746,238
    • Issue date Feb 11, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1744628
    • Patent number 1,744,628
    • Issue date Jan 21, 1930
    • B61 - RAILWAYS