TREA

mechanically

Follow

Industry

  • CPC
  • E21D1/03
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

E21D1/03mechanically
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for sinking concrete shaft
    • Patent number 11,078,788
    • Issue date Aug 3, 2021
    • ICIAN ENGINEERING CONTRACTORS CO., LTD.
    • Ming-Yang Lan
    • E21 - EARTH DRILLING MINING
  • 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

    Skip and crosshead
    • Patent number 10,385,691
    • Issue date Aug 20, 2019
    • Technological Resources PTY Limited
    • Rocky Lynn Webb
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Guide system
    • Patent number 10,041,349
    • Issue date Aug 7, 2018
    • Technological Resources Pty. Limited
    • Rocky Lynn Webb
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of moving a component or a material to and within a level of...
    • Patent number 10,024,156
    • Issue date Jul 17, 2018
    • Technological Resources Pty. Limited
    • Rocky Lynn Webb
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth boring system
    • Patent number 7,293,615
    • Issue date Nov 13, 2007
    • J.S. Redpath Limited
    • Morris J. Medd
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for developing shafts using small diameter shafts
    • Patent number 5,513,903
    • Issue date May 7, 1996
    • Deep Shaft Technology, Inc.
    • Dennis Mraz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shaft excavation method
    • Patent number 4,950,034
    • Issue date Aug 21, 1990
    • Trigon Geoducts Limited
    • Neil Reid
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Shaft sinking method
    • Patent number 4,701,073
    • Issue date Oct 20, 1987
    • Garrett M. Sainsbury
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for excavating a large diameter shaft into the earth and at...
    • Patent number 4,597,444
    • Issue date Jul 1, 1986
    • Atlantic Richfield Company
    • Thomas S. Hutchinson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Working platform for a drilling apparatus
    • Patent number 4,527,640
    • Issue date Jul 9, 1985
    • Oy Tampella AB
    • Aimo Sainio
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Process for sinking of shafts
    • Patent number 4,379,594
    • Issue date Apr 12, 1983
    • Voest-Alpine Aktiengesellschaft
    • Alfred Zitz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Arrangement for forming vertical or steeply inclined shafts
    • Patent number 4,132,276
    • Issue date Jan 2, 1979
    • Linden-Alimak AB
    • Torbjorn Svensson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Machine for boring a large diameter blind hole
    • Patent number 3,965,995
    • Issue date Jun 29, 1976
    • The Robbins Company
    • David B. Sugden
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3845989
    • Patent number 3,845,989
    • Issue date Nov 5, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3710878
    • Patent number 3,710,878
    • Issue date Jan 16, 1973
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3333658
    • Patent number 3,333,658
    • Issue date Aug 1, 1967
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3185226
    • Patent number 3,185,226
    • Issue date May 25, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3123240
    • Patent number 3,123,240
    • Issue date Mar 3, 1964
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3061122
    • Patent number 3,061,122
    • Issue date Oct 30, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3039580
    • Patent number 3,039,580
    • Issue date Jun 19, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2785813
    • Patent number 2,785,813
    • Issue date Mar 19, 1957
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2781926
    • Patent number 2,781,926
    • Issue date Feb 19, 1957
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2743830
    • Patent number 2,743,830
    • Issue date May 1, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2671283
    • Patent number 2,671,283
    • Issue date Mar 9, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2597711
    • Patent number 2,597,711
    • Issue date May 20, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2593693
    • Patent number 2,593,693
    • Issue date Apr 22, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2587844
    • Patent number 2,587,844
    • Issue date Mar 4, 1952
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2538711
    • Patent number 2,538,711
    • Issue date Jan 16, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2530714
    • Patent number 2,530,714
    • Issue date Nov 21, 1950
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Shaft Excavator
    • Publication number 20240368989
    • Publication date Nov 7, 2024
    • REDPATH DEILMANN GmbH
    • Frank Kristek
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    KIBBLE TIPPING SYSTEM
    • Publication number 20200223668
    • Publication date Jul 16, 2020
    • Ben Williams Powell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    UNDERGROUND SHAFT DEVELOPMENT METHOD
    • Publication number 20200088030
    • Publication date Mar 19, 2020
    • ORICA INTERNATIONAL PTE LTD
    • Stephen J BOYCE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BOTTOM-SIDE SEPARATION OF AN OBJECT TO BE CUT OUT OF STONE
    • Publication number 20190085689
    • Publication date Mar 21, 2019
    • HEINDL ENERGY GMBH
    • Gerd Stenzel
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SHAFT ENLARGEMENT ARRANGEMENT FOR A BORING SYSTEM
    • Publication number 20180010392
    • Publication date Jan 11, 2018
    • Masters Sinkers (PTY) Ltd.
    • Nikolaus Kleuters
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Skip and Crosshead
    • Publication number 20160208607
    • Publication date Jul 21, 2016
    • TECHNOLOGICAL RESOURCES PTY. LIMITED
    • Rocky Lynn Webb
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Method and apparatus for utilizing the full capacity of a particula...
    • Publication number 20070273196
    • Publication date Nov 29, 2007
    • John N. Vergne
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Earth boring system
    • Publication number 20050189105
    • Publication date Sep 1, 2005
    • Morris J. Medd
    • E21 - EARTH DRILLING MINING