Loosening ballasting material

Patents Grantslast 30 patents

  • Information Patent Grant

    Ripping apparatus

    • Patent number 4,152,991
    • Issue date May 8, 1979
    • Caterpillar Tractor Co.
    • Robert N. Stedman
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Track surfacing

    • Patent number 4,063,516
    • Issue date Dec 20, 1977
    • Franz Plasser Bahnbaumaschinen Industriegesellschaft m.b.H.
    • Josef Theurer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3584406

    • Patent number 3,584,406
    • Issue date Jun 15, 1971
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3579873

    • Patent number 3,579,873
    • Issue date May 25, 1971
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3427990

    • Patent number 3,427,990
    • Issue date Feb 18, 1969
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2991988

    • Patent number 2,991,988
    • Issue date Jul 11, 1961
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2965986

    • Patent number 2,965,986
    • Issue date Dec 27, 1960
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2846206

    • Patent number 2,846,206
    • Issue date Aug 5, 1958
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2359089

    • Patent number 2,359,089
    • Issue date Sep 26, 1944
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2336079

    • Patent number 2,336,079
    • Issue date Dec 7, 1943
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2284178

    • Patent number 2,284,178
    • Issue date May 26, 1942
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2266633

    • Patent number 2,266,633
    • Issue date Dec 16, 1941
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1951166

    • Patent number 1,951,166
    • Issue date Mar 13, 1934
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1864183

    • Patent number 1,864,183
    • Issue date Jun 21, 1932
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1808896

    • Patent number 1,808,896
    • Issue date Jun 9, 1931
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1499219

    • Patent number 1,499,219
    • Issue date Jun 24, 1924
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    1404875

    • Patent number 1,404,875
    • Issue date Jan 31, 1922
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES