with keys or pins

Industry

  • CPC
  • E01B11/06
This industry / category may be too specific. Please go to a parent level for more data

Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for fastening rails

    • Patent number 4,940,183
    • Issue date Jul 10, 1990
    • Voest-Alpine Maschinenbau Gesellschaft m.b.H.
    • Johann Rieger
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3494553

    • Patent number 3,494,553
    • Issue date Feb 10, 1970
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2629556

    • Patent number 2,629,556
    • Issue date Feb 24, 1953
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2538249

    • Patent number 2,538,249
    • Issue date Jan 16, 1951
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2296853

    • Patent number 2,296,853
    • Issue date Sep 29, 1942
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2150041

    • Patent number 2,150,041
    • Issue date Mar 7, 1939
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2147342

    • Patent number 2,147,342
    • Issue date Feb 14, 1939
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2145913

    • Patent number 2,145,913
    • Issue date Feb 7, 1939
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2143879

    • Patent number 2,143,879
    • Issue date Jan 17, 1939
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2116463

    • Patent number 2,116,463
    • Issue date May 3, 1938
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2072751

    • Patent number 2,072,751
    • Issue date Mar 2, 1937
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2071397

    • Patent number 2,071,397
    • Issue date Feb 23, 1937
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2063317

    • Patent number 2,063,317
    • Issue date Dec 8, 1936
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2060996

    • Patent number 2,060,996
    • Issue date Nov 17, 1936
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2036633

    • Patent number 2,036,633
    • Issue date Apr 7, 1936
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2021297

    • Patent number 2,021,297
    • Issue date Nov 19, 1935
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1975816

    • Patent number 1,975,816
    • Issue date Oct 9, 1934
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1966868

    • Patent number 1,966,868
    • Issue date Jul 17, 1934
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1924684

    • Patent number 1,924,684
    • Issue date Aug 29, 1933
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1858759

    • Patent number 1,858,759
    • Issue date May 17, 1932
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1830946

    • Patent number 1,830,946
    • Issue date Nov 10, 1931
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1723248

    • Patent number 1,723,248
    • Issue date Aug 6, 1929
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1707048

    • Patent number 1,707,048
    • Issue date Mar 26, 1929
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1576407

    • Patent number 1,576,407
    • Issue date Mar 9, 1926
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1467431

    • Patent number 1,467,431
    • Issue date Sep 11, 1923
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1465263

    • Patent number 1,465,263
    • Issue date Aug 21, 1923
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1454101

    • Patent number 1,454,101
    • Issue date May 8, 1923
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1414450

    • Patent number 1,414,450
    • Issue date May 2, 1922
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1410479

    • Patent number 1,410,479
    • Issue date Mar 21, 1922
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1393764

    • Patent number 1,393,764
    • Issue date Oct 18, 1921
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    TAPERED RAILWAY APPARATUS

    • Publication number 20140034744
    • Publication date Feb 6, 2014
    • Robert Elliotte Hayden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES