TREA

while moving the lining downwards

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  • CPC
  • E21D1/08
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D1/00Sinking shafts

Current Industry

E21D1/08while moving the lining downwards
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Shaft enlargement arrangement for a boring system
    • Patent number 10,697,246
    • Issue date Jun 30, 2020
    • MASTER DRILLING SOUTH AFRICA (PTY) LTD.
    • Nikolaus Kleuters
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Underground mining
    • Patent number 8,905,486
    • Issue date Dec 9, 2014
    • Technological Resources Pty. Ltd.
    • Fredric Christopher Delabbio
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for erecting an underground construction
    • Patent number 8,763,344
    • Issue date Jul 1, 2014
    • Herreknecht AG
    • Ilja Irmscher
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Process and device for sinking wells
    • Patent number 4,629,010
    • Issue date Dec 16, 1986
    • Claude Sourice
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method and apparatus for sinking shafts
    • Patent number 4,227,583
    • Issue date Oct 14, 1980
    • Wirth Maschinen-und Bohrgerate-Fabrik
    • Joseph R. Benjamin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for sinking shafts
    • Patent number 4,107,930
    • Issue date Aug 22, 1978
    • Gewerkschaft Walter
    • Theodor Thiehofe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3462896
    • Patent number 3,462,896
    • Issue date Aug 26, 1969
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3347319
    • Patent number 3,347,319
    • Issue date Oct 17, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3155206
    • Patent number 3,155,206
    • Issue date Nov 3, 1964
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2931187
    • Patent number 2,931,187
    • Issue date Apr 5, 1960
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2734343
    • Patent number 2,734,343
    • Issue date Feb 14, 1956
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2678540
    • Patent number 2,678,540
    • Issue date May 18, 1954
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2596788
    • Patent number 2,596,788
    • Issue date May 13, 1952
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2260423
    • Patent number 2,260,423
    • Issue date Oct 28, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2104665
    • Patent number 2,104,665
    • Issue date Jan 4, 1938
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1706002
    • Patent number 1,706,002
    • Issue date Mar 19, 1929
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1636610
    • Patent number 1,636,610
    • Issue date Jul 19, 1927
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1578444
    • Patent number 1,578,444
    • Issue date Mar 30, 1926
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1490280
    • Patent number 1,490,280
    • Issue date Apr 15, 1924
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    UNDERGROUND MINING
    • Publication number 20120200139
    • Publication date Aug 9, 2012
    • Fredric Christopher Delabbio
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD FOR ERECTING AN UNDERGROUND CONSTRUCTION
    • Publication number 20120163919
    • Publication date Jun 28, 2012
    • Ilja Irmscher
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING