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Driving tunnels or galleries through loose materials Apparatus therefor not otherwise provided for
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CPC
E21D9/04
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
E21D9/00
Tunnels or galleries, with or without linings Methods or apparatus for making thereof Layout of tunnels or galleries
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E21D9/04
Driving tunnels or galleries through loose materials Apparatus therefor not otherwise provided for
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Patents Grants
last 30 patents
Information
Patent Grant
Mechanical tunneling apparatus and process for tunnel in quicksand...
Patent number
11,976,558
Issue date
May 7, 2024
Shandong University
Ke Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring device and system for the hydraulic removal of cuttin...
Patent number
11,118,454
Issue date
Sep 14, 2021
Herrenknecht AG
Tobias Gerhardt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Artificial ground freezing method and artificial ground freezing sy...
Patent number
10,221,537
Issue date
Mar 5, 2019
CHEMICAL GROUTING CO., LTD.
Yuichi Tachiwada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method and apparatus for forming tunnels and tunnels formed thereby
Patent number
9,702,094
Issue date
Jul 11, 2017
James Crawford Thomson
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Underground mining apparatus
Patent number
8,920,074
Issue date
Dec 30, 2014
Z-Filter Pty Ltd.
Neil Deryck Bray Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bit replacing device for excavating machine
Patent number
8,540,319
Issue date
Sep 24, 2013
Hitachi Zosen Corporation
Yasuharu Hanaoka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sardine-bone construction method for large-section tunnel
Patent number
6,520,718
Issue date
Feb 18, 2003
Shigeki Nagatomo, et al.
Shigeki Nagatomo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Jet excavating device
Patent number
6,385,868
Issue date
May 14, 2002
Heerema Holding Construction Inc.
Rogier Cristian Koene
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method, system and device for building a wall in the ground
Patent number
6,357,965
Issue date
Mar 19, 2002
Heerema Ondergrondse Infrastructuren B.V.
Marinus Chr. Lammertink
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel lining method and apparatus suitable for the purpose
Patent number
5,290,125
Issue date
Mar 1, 1994
Trevi S.p.A.
Davide Trevisani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for tunnelling
Patent number
5,104,260
Issue date
Apr 14, 1992
Trevi S.P.A.
Davide Trevisani
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of and apparatus for building thin lining on tunnel
Patent number
4,666,336
Issue date
May 19, 1987
Okumura Corporation
Susumu Murakami
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for reducing compressed air losses when driving underground...
Patent number
4,623,198
Issue date
Nov 18, 1986
Ed. Zublin Aktiengesellschaft
Manfred Nussbaumer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for transporting and housing tunnel workers ac...
Patent number
4,196,656
Issue date
Apr 8, 1980
Taylor Diving & Salvage Co., Inc.
Kenneth W. Wallace
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control method and system for ensuring stable boring operation at w...
Patent number
4,171,848
Issue date
Oct 23, 1979
Hitachi, Ltd.
Kozo Ono
E21 - EARTH DRILLING MINING
Information
Patent Grant
Golf club shaft and set of golf clubs
Patent number
4,165,874
Issue date
Aug 28, 1979
PepsiCo, Inc.
Arthur J. Lezatte
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shield type hydraulic tunnel boring machine
Patent number
4,152,027
Issue date
May 1, 1979
Tekken Construction Co. Ltd.
Kenichi Fujimoto
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for transporting and housing tunnel workers ac...
Patent number
4,144,801
Issue date
Mar 20, 1979
Taylor Diving & Salvage Co., Inc.
Kenneth W. Wallace
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and a device for drilling with several tools in simultaneous...
Patent number
4,079,795
Issue date
Mar 21, 1978
Maschinen-und Bohrgerate-Fabrik Alfred Wirth & Co., K.G.
Wilfried Sackmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of driving and forming a tunnel with hydraulic boring machine
Patent number
4,072,021
Issue date
Feb 7, 1978
Tekken Construction Co. Ltd.
Hironobu Yamazaki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic tunnel face hydraulic pressure controlling apparatus in s...
Patent number
4,068,484
Issue date
Jan 17, 1978
Tekken Construction Co., Ltd.
Yasuyuki Iwamitu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus of completing slurry shield tunneling at verti...
Patent number
4,052,859
Issue date
Oct 11, 1977
Tekken Construction Co. Ltd.
Yasuyuki Iwamitsu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnelling and lining machine
Patent number
3,972,200
Issue date
Aug 3, 1976
Bruno Scarpi
E21 - EARTH DRILLING MINING
Information
Patent Grant
3881777
Patent number
3,881,777
Issue date
May 6, 1975
E21 - EARTH DRILLING MINING
Information
Patent Grant
3818713
Patent number
3,818,713
Issue date
Jun 25, 1974
E21 - EARTH DRILLING MINING
Information
Patent Grant
3677602
Patent number
3,677,602
Issue date
Jul 18, 1972
E21 - EARTH DRILLING MINING
Information
Patent Grant
3640077
Patent number
3,640,077
Issue date
Feb 8, 1972
E21 - EARTH DRILLING MINING
Information
Patent Grant
3600899
Patent number
3,600,899
Issue date
Aug 24, 1971
E21 - EARTH DRILLING MINING
Information
Patent Grant
3597929
Patent number
3,597,929
Issue date
Aug 10, 1971
E21 - EARTH DRILLING MINING
Information
Patent Grant
3523426
Patent number
3,523,426
Issue date
Aug 11, 1970
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
NOVEL TUNNEL FORMING SHANKS AND METHODS OF USING
Publication number
20210340871
Publication date
Nov 4, 2021
Seamless AG Works LLC
Stanley L. ADAMS
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SQUEEZING DEVICE FOR UNDERGROUND PROJECT
Publication number
20190048718
Publication date
Feb 14, 2019
QINGDAO JINGLI ENGINEERING CO,. LTD.
Muhu Ouyang
E21 - EARTH DRILLING MINING
Information
Patent Application
ARTIFICIAL GROUND FREEZING METHOD AND ARTIFICIAL GROUND FREEZING SY...
Publication number
20170350087
Publication date
Dec 7, 2017
Chemical Grouting Co., Ltd.
Yuichi TACHIWADA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
BIT REPLACING DEVICE FOR EXCAVATING MACHINE
Publication number
20120274122
Publication date
Nov 1, 2012
Yasuharu Hanaoka
E21 - EARTH DRILLING MINING
Information
Patent Application
MODIFICATIONS TO A TBM STRUCTURE TO PROVIDE ROOF SUPPORT INSTALLATION
Publication number
20110103892
Publication date
May 5, 2011
Michael P. McNally
E21 - EARTH DRILLING MINING
Information
Patent Application
UNDERGROUND MINING APPARATUS
Publication number
20100284748
Publication date
Nov 11, 2010
Neil Deryck Bray Graham
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNEL SUPPORTED ON BEARING BLOCKS
Publication number
20090136299
Publication date
May 28, 2009
Santos Silvino Pompeu
E21 - EARTH DRILLING MINING
Information
Patent Application
Elongated coil assembly for electromagnetic borehole surveying
Publication number
20050211469
Publication date
Sep 29, 2005
Vector Magnetics, LLC
Arthur F. Kuckes
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD, SYSTEM AND DEVICE FOR BUILDING A WALL IN THE GROUND
Publication number
20010038774
Publication date
Nov 8, 2001
MARINUS CHR. LAMMERTINK
E21 - EARTH DRILLING MINING
Information
Patent Application
Jet excavating device
Publication number
20010035674
Publication date
Nov 1, 2001
HEEREMA HOLDING CONSTRUCTION INC.
Rogier Cristian Koene
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC