TREA

non-electric

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Industry

  • CPC
  • B61L9/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L9/00Illumination specially adapted for points, form signals, or gates

Current Industry

B61L9/02non-electric
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cable driven railroad switch indicator
    • Patent number 10,766,511
    • Issue date Sep 8, 2020
    • David A. Schalk
    • B61 - RAILWAYS
  • Information Patent Grant

    Railroad switch indicator
    • Patent number 7,735,784
    • Issue date Jun 15, 2010
    • David A. Schalk
    • B61 - RAILWAYS
  • Information Patent Grant

    1988851
    • Patent number 1,988,851
    • Issue date Jan 22, 1935
    • F21 - LIGHTING
  • Information Patent Grant

    1951244
    • Patent number 1,951,244
    • Issue date Mar 13, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1936478
    • Patent number 1,936,478
    • Issue date Nov 21, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1848805
    • Patent number 1,848,805
    • Issue date Mar 8, 1932
    • F21 - LIGHTING
  • Information Patent Grant

    1822910
    • Patent number 1,822,910
    • Issue date Sep 15, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1820642
    • Patent number 1,820,642
    • Issue date Aug 25, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1797178
    • Patent number 1,797,178
    • Issue date Mar 17, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1763530
    • Patent number 1,763,530
    • Issue date Jun 10, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1716514
    • Patent number 1,716,514
    • Issue date Jun 11, 1929
    • B61 - RAILWAYS
  • Information Patent Grant

    1681140
    • Patent number 1,681,140
    • Issue date Aug 14, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1681139
    • Patent number 1,681,139
    • Issue date Aug 14, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1676861
    • Patent number 1,676,861
    • Issue date Jul 10, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1667379
    • Patent number 1,667,379
    • Issue date Apr 24, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1667378
    • Patent number 1,667,378
    • Issue date Apr 24, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1660194
    • Patent number 1,660,194
    • Issue date Feb 21, 1928
    • B61 - RAILWAYS
  • Information Patent Grant

    1646328
    • Patent number 1,646,328
    • Issue date Oct 18, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1644923
    • Patent number 1,644,923
    • Issue date Oct 11, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1617432
    • Patent number 1,617,432
    • Issue date Feb 15, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1596068
    • Patent number 1,596,068
    • Issue date Aug 17, 1926
    • B61 - RAILWAYS
  • Information Patent Grant

    1571531
    • Patent number 1,571,531
    • Issue date Feb 2, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1514717
    • Patent number 1,514,717
    • Issue date Nov 11, 1924
    • F21 - LIGHTING
  • Information Patent Grant

    1505115
    • Patent number 1,505,115
    • Issue date Aug 19, 1924
    • B61 - RAILWAYS
  • Information Patent Grant

    1444850
    • Patent number 1,444,850
    • Issue date Feb 13, 1923
    • B61 - RAILWAYS
  • Information Patent Grant

    1440878
    • Patent number 1,440,878
    • Issue date Jan 2, 1923
    • B61 - RAILWAYS
  • Information Patent Grant

    1429074
    • Patent number 1,429,074
    • Issue date Sep 12, 1922
    • F21 - LIGHTING
  • Information Patent Grant

    1341161
    • Patent number 1,341,161
    • Issue date May 25, 1920
    • B61 - RAILWAYS
  • Information Patent Grant

    1335503
    • Patent number 1,335,503
    • Issue date Mar 30, 1920
    • B61 - RAILWAYS
  • Information Patent Grant

    1158482
    • Patent number 1,158,482
    • Issue date Nov 2, 1915
    • B61 - RAILWAYS

Patents Applicationslast 30 patents