with digging unit mounted in a plane which is inclined to the direction of travel; with tools digging laterally with respect to the frame

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating disk type ditcher

    • Patent number 5,113,610
    • Issue date May 19, 1992
    • Sylvester Liebrecht
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3358809

    • Patent number 3,358,809
    • Issue date Dec 19, 1967
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    3298117

    • Patent number 3,298,117
    • Issue date Jan 17, 1967
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3260345

    • Patent number 3,260,345
    • Issue date Jul 12, 1966
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3258865

    • Patent number 3,258,865
    • Issue date Jul 5, 1966
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    3091874

    • Patent number 3,091,874
    • Issue date Jun 4, 1963
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3043035

    • Patent number 3,043,035
    • Issue date Jul 10, 1962
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3003611

    • Patent number 3,003,611
    • Issue date Oct 10, 1961
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    2724196

    • Patent number 2,724,196
    • Issue date Nov 22, 1955
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    2256719

    • Patent number 2,256,719
    • Issue date Sep 23, 1941
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    2153719

    • Patent number 2,153,719
    • Issue date Apr 11, 1939
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  • Information Patent Grant

    2032911

    • Patent number 2,032,911
    • Issue date Mar 3, 1936
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1696216

    • Patent number 1,696,216
    • Issue date Dec 25, 1928
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents