by displacing the water

Industry

  • CPC
  • E02D19/20
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine dewatering system and method

    • Patent number 9,822,641
    • Issue date Nov 21, 2017
    • WSP GLOBAL, INC.
    • Jeremy Dowling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Sump pump discharge water escape system

    • Patent number 6,601,607
    • Issue date Aug 5, 2003
    • James M. Pratt
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method and apparatus for drilling a hole in an ice formations and p...

    • Patent number 4,650,011
    • Issue date Mar 17, 1987
    • Louis C. Barbieri
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3468129

    • Patent number 3,468,129
    • Issue date Sep 23, 1969
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3221505

    • Patent number 3,221,505
    • Issue date Dec 7, 1965
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3064436

    • Patent number 3,064,436
    • Issue date Nov 20, 1962
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Mine Dewatering System And Method

    • Publication number 20130192822
    • Publication date Aug 1, 2013
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Jeremy Dowling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING