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with additional boring or cutting means other than the conventional cutting edge of the shield
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CPC
E21D9/08
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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
Current Industry
E21D9/08
with additional boring or cutting means other than the conventional cutting edge of the shield
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Patents Grants
last 30 patents
Information
Patent Grant
Excavation tool replacement device and tunnel boring machine
Patent number
12,065,932
Issue date
Aug 20, 2024
UNDERGROUND INFRASTRUCTURE TECHNOLOGIES CORPORATION
Yasuharu Hanaoka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hypergravity model test device and method for simulating progressiv...
Patent number
12,037,907
Issue date
Jul 16, 2024
Zhejiang University
Xiaowei Ye
E21 - EARTH DRILLING MINING
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 digging machine (TDM)
Patent number
11,905,835
Issue date
Feb 20, 2024
Behzad Khorshidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Propulsion control device of tunnel boring machine for 3D printing...
Patent number
11,873,718
Issue date
Jan 16, 2024
Zhejiang University City College
Zhi Ding
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting assembly for a mining machine
Patent number
11,846,189
Issue date
Dec 19, 2023
Sandvik Mining and Construction G.m.b.H.
Friedrich Pucher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for real-time strength estimation, grading, and early warnin...
Patent number
11,808,152
Issue date
Nov 7, 2023
SHIJIAZHUANG TIEDAO UNIVERSITY
Lijie Du
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Shield method
Patent number
11,603,760
Issue date
Mar 14, 2023
MUTSUBISHI RUBBER CO., LTD.
Naoki Kawasaki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device and method for continuously driving a tunnel
Patent number
11,566,522
Issue date
Jan 31, 2023
Herrenknecht Aktiengesellschaft
Werner Burger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Test method based on test system for five-dimensional space effects...
Patent number
11,556,680
Issue date
Jan 17, 2023
QINGDAO UNIVERSITY OF TECHNOLOGY
Guangming Yu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Combined rock-breaking TBM tunneling method in complex strata for r...
Patent number
11,486,249
Issue date
Nov 1, 2022
INSTITUTE OF ROCK AND SOIL MECHANICS, CAS
Hui Zhou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting tool for a tunnel boring machine and a tunnel boring machine
Patent number
11,448,067
Issue date
Sep 20, 2022
Herrenknecht Aktiengesellschaft
Christian Himmelsbach
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring machine
Patent number
11,448,069
Issue date
Sep 20, 2022
Malcolm John Peardon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic coal mining machine and fluidized coal mining method
Patent number
11,391,151
Issue date
Jul 19, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yang Ju
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Mining machine applicable to fluidized mining of ore bodies and min...
Patent number
11,261,732
Issue date
Mar 1, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yang Ju
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hard rock roadway and tunnel boring machine with actively rotating...
Patent number
11,199,092
Issue date
Dec 14, 2021
China University of Mining and Technology
Hongxiang Jiang
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
Laser-assisted tunnel boring machine and rock fragmenting method th...
Patent number
10,648,334
Issue date
May 12, 2020
Dalian University of Technology
Zhengzheng Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring machine
Patent number
10,641,093
Issue date
May 5, 2020
Hitachi Zosen Corporation
Toshiyuki Okada
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring machine
Patent number
10,539,016
Issue date
Jan 21, 2020
XCMG-KAIGONG HEAVY INDUSTRY NANJING CO., LTD
Yanqi Su
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compound-type tunneling shield
Patent number
10,077,657
Issue date
Sep 18, 2018
Yulian He
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel boring machine
Patent number
9,957,796
Issue date
May 1, 2018
Hitachi Zosen Corporation
Toshiyuki Okada
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter assembly with inline mounting
Patent number
9,845,677
Issue date
Dec 19, 2017
The Robbins Company
Carl E. Lenaburg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for replacing a tunnel boring machine roller cutter, handlin...
Patent number
9,429,016
Issue date
Aug 30, 2016
Bouygues Travaux Publics
Jean-Noël Derycke
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Tunnel excavation device
Patent number
9,291,054
Issue date
Mar 22, 2016
Korea Railroad Research Institute
Dong Hyeon Kim
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit exchange device for shield tunneling machine
Patent number
9,222,356
Issue date
Dec 29, 2015
Hitachi Zosen Corporation
Yasuharu Hanaoka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bit exchange method and bit exchange device for shield tunneling ma...
Patent number
9,222,357
Issue date
Dec 29, 2015
Hitachi Zosen Corporation
Mitsuhisa Yokoyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for monitoring the state of rotation of a disk cutter arrang...
Patent number
9,181,800
Issue date
Nov 10, 2015
Herrenknecht AG
Thomas Josef Edelmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting head tool for tunnel boring machine
Patent number
9,140,123
Issue date
Sep 22, 2015
Caterpillar Inc.
Robert Meyer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Excavation machine
Patent number
9,140,124
Issue date
Sep 22, 2015
Hitachi Zosen Corporation
Masanori Kobayashi
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
CUTTING WHEEL FOR A CUTTING BORING MACHINE
Publication number
20240151142
Publication date
May 9, 2024
Herrenknecht Aktiengesellschaft
GERHARD WEHRMEYER
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL TUNNELING APPARATUS AND PROCESS FOR TUNNEL IN QUICKSAND...
Publication number
20230417139
Publication date
Dec 28, 2023
SHANDONG UNIVERSITY
Ke WU
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR REAL-TIME STRENGTH ESTIMATION, GRADING, AND EARLY WARNIN...
Publication number
20230258087
Publication date
Aug 17, 2023
Shijiazhuang Tiedao University
Lijie DU
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ASSEMBLY FOR A MINING MACHINE
Publication number
20230048925
Publication date
Feb 16, 2023
Sandvik Mining and Construction G.m.b.H.
Friedrich PUCHER
E21 - EARTH DRILLING MINING
Information
Patent Application
HYPERGRAVITY MODEL TEST DEVICE AND METHOD FOR SIMULATING PROGRESSIV...
Publication number
20220228486
Publication date
Jul 21, 2022
Zhejiang University
Xiaowei YE
G01 - MEASURING TESTING
Information
Patent Application
SHIELD METHOD
Publication number
20220220850
Publication date
Jul 14, 2022
Mutsubishi Rubber Co., Ltd.
Naoki KAWASAKI
E21 - EARTH DRILLING MINING
Information
Patent Application
EXCAVATION TOOL REPLACEMENT DEVICE AND TUNNEL BORING MACHINE
Publication number
20220074306
Publication date
Mar 10, 2022
HITACHI ZOSEN CORPORATION
Yasuharu HANAOKA
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNEL BORING MACHINE
Publication number
20190264563
Publication date
Aug 29, 2019
XCMG-KAIGONG HEAVY INDUSTRY NANJING CO., LTD.
Yanqi SU
E21 - EARTH DRILLING MINING
Information
Patent Application
LASER-ASSISTED TUNNEL BORING MACHINE AND ROCK FRAGMENTING METHOD TH...
Publication number
20190017380
Publication date
Jan 17, 2019
DALIAN UNIVERSITY OF TECHNOLOGY
Zhengzheng WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
Compound-Type Tunnelling Shield
Publication number
20160194957
Publication date
Jul 7, 2016
CHINA RAIL WAY ENGINEERING EQUIPMENT GROUP CO., LTD.
Yulian HE
E21 - EARTH DRILLING MINING
Information
Patent Application
Earth Pressure Balance Shield Machine without Cutter Disk
Publication number
20150042146
Publication date
Feb 12, 2015
China Railway Engineering Equipment Group Co. Ltd.
Jianbin Li
E21 - EARTH DRILLING MINING
Information
Patent Application
BIT EXCHANGE METHOD AND BIT EXCHANGE DEVICE FOR SHIELD TUNNELING MA...
Publication number
20140357461
Publication date
Dec 4, 2014
HITACHI ZOSEN CORPORATION
Mitsuhisa Yokoyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
TUNNEL EXCAVATION DEVICE
Publication number
20140327292
Publication date
Nov 6, 2014
KOREA RAILROAD RESEARCH INSTITUTE
Dong Hyeon Kim
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE FOR MONITORING THE STATE OF ROTATION OF A DISK CUTTER ARRANG...
Publication number
20140232167
Publication date
Aug 21, 2014
HERRENKNECHT AG
Thomas Josef Edelmann
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL BIT EXCHANGE DEVICE FOR SHIELD TUNNELING MACHINE
Publication number
20140217805
Publication date
Aug 7, 2014
Hitachi Zosen Corporation
Yasuharu Hanaoka
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutting Head Tool for Tunnel Boring Machine
Publication number
20130264860
Publication date
Oct 10, 2013
Caterpillar Inc.
Robert Meyer
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD FOR REPLACING A TUNNEL BORING MACHINE ROLLER CUTTER, HANDLIN...
Publication number
20130045055
Publication date
Feb 21, 2013
Jean-Noël Derycke
E21 - EARTH DRILLING MINING
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
Shield Machine
Publication number
20100164274
Publication date
Jul 1, 2010
KAWASAKI JUKOGYO KABUSHIKI KAISHA
Yasunori Kondo
E21 - EARTH DRILLING MINING
Information
Patent Application
ALL-CONDITIONS TUNNEL BORING MACHINE
Publication number
20100148566
Publication date
Jun 17, 2010
Lok Home
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND MEANS FOR PROCESSING OIL SANDS WHILE EXCAVATING
Publication number
20070085409
Publication date
Apr 19, 2007
OIL SANDS UNDERGROUND MINING CORP.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for underground recovery of hydrocarbons
Publication number
20070044957
Publication date
Mar 1, 2007
Oil Sands Underground Mining, Inc.
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Application
Method of increasing reservoir permeability
Publication number
20070039729
Publication date
Feb 22, 2007
Oil Sands Underground Mining Corporation
John David Watson
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for processing oil sands while excavating
Publication number
20050093361
Publication date
May 5, 2005
Oil Sands Underground Mining, Inc.
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus for detecting the state of rotation of cutting rollers of...
Publication number
20050023882
Publication date
Feb 3, 2005
Werner Burger
E21 - EARTH DRILLING MINING
Information
Patent Application
Shield tunneling method and shield tunneling machine
Publication number
20040093768
Publication date
May 20, 2004
Takeshi Sakae
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and means for processing oil sands while excavating
Publication number
20030160500
Publication date
Aug 28, 2003
Ronald D. Drake
E21 - EARTH DRILLING MINING
Information
Patent Application
Tunnel excavating machine
Publication number
20020189138
Publication date
Dec 19, 2002
Koichi Yoshimoto
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for feeding a tunnel roof support system from...
Publication number
20020098043
Publication date
Jul 25, 2002
Michael P. McNally
E21 - EARTH DRILLING MINING
Information
Patent Application
Tunnel excavating machine and excavating method
Publication number
20020031403
Publication date
Mar 14, 2002
Shinichi Konda
E21 - EARTH DRILLING MINING