Distance keepers or tie-rods for sleepers

Patents Grantslast 30 patents

  • Information Patent Grant

    Automated railroad tie unloading

    • Patent number 11,225,758
    • Issue date Jan 18, 2022
    • Union Pacific Railroad Company
    • Eric John Gehringer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Clamp mount for concrete ties

    • Patent number 5,507,434
    • Issue date Apr 16, 1996
    • Harmon Industries, Inc.
    • Merrill W. Chambers
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rail support adjusting and fastening device

    • Patent number 5,150,835
    • Issue date Sep 29, 1992
    • Akio Yamamoto
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3762641

    • Patent number 3,762,641
    • Issue date Oct 2, 1973
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3687366

    • Patent number 3,687,366
    • Issue date Aug 29, 1972
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2631783

    • Patent number 2,631,783
    • Issue date Mar 17, 1953
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2556350

    • Patent number 2,556,350
    • Issue date Jun 12, 1951
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1731155

    • Patent number 1,731,155
    • Issue date Oct 8, 1929
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1632466

    • Patent number 1,632,466
    • Issue date Jun 14, 1927
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1626317

    • Patent number 1,626,317
    • Issue date Apr 26, 1927
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1588985

    • Patent number 1,588,985
    • Issue date Jun 15, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1431094

    • Patent number 1,431,094
    • Issue date Oct 3, 1922
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1278374

    • Patent number 1,278,374
    • Issue date Sep 10, 1918
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1277456

    • Patent number 1,277,456
    • Issue date Sep 3, 1918
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1274221

    • Patent number 1,274,221
    • Issue date Jul 30, 1918
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1270968

    • Patent number 1,270,968
    • Issue date Jul 2, 1918
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1262754

    • Patent number 1,262,754
    • Issue date Apr 16, 1918
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1238518

    • Patent number 1,238,518
    • Issue date Aug 28, 1917
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1233413

    • Patent number 1,233,413
    • Issue date Jul 17, 1917
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1213326

    • Patent number 1,213,326
    • Issue date Jan 23, 1917
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1163627

    • Patent number 1,163,627
    • Issue date Dec 7, 1915
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1122520

    • Patent number 1,122,520
    • Issue date Dec 29, 1914
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1118229

    • Patent number 1,118,229
    • Issue date Nov 24, 1914
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1107116

    • Patent number 1,107,116
    • Issue date Aug 11, 1914
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1071484

    • Patent number 1,071,484
    • Issue date Aug 26, 1913
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1055170

    • Patent number 1,055,170
    • Issue date Mar 4, 1913
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1053583

    • Patent number 1,053,583
    • Issue date Feb 18, 1913
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1039641

    • Patent number 1,039,641
    • Issue date Sep 24, 1912
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1038975

    • Patent number 1,038,975
    • Issue date Sep 17, 1912
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1015102

    • Patent number 1,015,102
    • Issue date Jan 16, 1912
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents