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E21D1/00
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
Current Industry
E21D1/00
Sinking shafts
Sub Industries
E21D1/02
by hand
E21D1/03
mechanically
E21D1/04
with grabs
E21D1/06
with shaft-boring cutters
E21D1/08
while moving the lining downwards
E21D1/10
Preparation of the ground
E21D1/105
by water level modification
E21D1/12
by freezing
E21D1/14
Freezing apparatus
E21D1/16
by petrification
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for simultaneous excavation and segment erection...
Patent number
12,209,498
Issue date
Jan 28, 2025
Behzad Khorshidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Synchronous single-liquid grouting slurry, its technology and appli...
Patent number
12,187,646
Issue date
Jan 7, 2025
OCEAN UNIVERSITY OF CHINA
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Screen handling system
Patent number
12,180,835
Issue date
Dec 31, 2024
Joy Global Underground Mining LLC
Renier Koekemoer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular tunnel formwork device
Patent number
12,152,489
Issue date
Nov 26, 2024
KERN TUNNELTECHNIK SA
Reiner Kern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compressible cementitious compositions, subterranean systems, and m...
Patent number
12,134,731
Issue date
Nov 5, 2024
Kevin Foody
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Insulating material, method for inspecting the weld and control sys...
Patent number
12,111,279
Issue date
Oct 8, 2024
A.W.A.L. S.R.O.
Ivan Misar
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Centrifugal intelligent construction device for excavation concrete...
Patent number
12,091,974
Issue date
Sep 17, 2024
Zhejiang University
Hailong Wang
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Control fitting, arrangement and method for producing concrete comp...
Patent number
12,091,975
Issue date
Sep 17, 2024
Putzmeister Engineering GmbH
Michael Höss
E04 - BUILDING
Information
Patent Grant
Undercutting-covered excavation semi-reverse construction method of...
Patent number
12,084,971
Issue date
Sep 10, 2024
Beijing Urban Construction Design & Development Group Co., Limited
Gang Lei
B61 - RAILWAYS
Information
Patent Grant
Telescopic device and telescopic annular tunnel steel arch
Patent number
12,078,065
Issue date
Sep 3, 2024
Zhejiang University City College
Xinjiang Wei
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device and method for accurately fixing internal waterstop in lakeb...
Patent number
12,065,931
Issue date
Aug 20, 2024
CHINA MCC5 GROUP CORP. LTD
Li Luo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of no-pillar mining with gob-entry retaining adapted for ful...
Patent number
12,037,905
Issue date
Jul 16, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock burst active prevention and control mechanism
Patent number
12,037,904
Issue date
Jul 16, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY-BEIJING
Jie Hu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel support system and method
Patent number
12,031,435
Issue date
Jul 9, 2024
DSI TUNNELING LLC
John M. Mulvoy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill head and method for producing a vertical borehole in the ground
Patent number
12,031,385
Issue date
Jul 9, 2024
Herrenknecht AG
Patrick Rennkamp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for non-destructive testing of tunnel lining
Patent number
12,007,524
Issue date
Jun 11, 2024
Shenzhen University
Hongzhi Cui
G01 - MEASURING TESTING
Information
Patent Grant
Swing arm plow apparatuses and methods
Patent number
12,000,284
Issue date
Jun 4, 2024
Jason Sleeth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel profile element
Patent number
11,994,029
Issue date
May 28, 2024
FOAMROX AS
Rolf Jakobsen
B32 - LAYERED PRODUCTS
Information
Patent Grant
Inflatable folding tunnel reinforcement structure and construction...
Patent number
11,988,093
Issue date
May 21, 2024
HANGZHOU CITY UNIVERSITY
Gang Wei
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bearing plate of an integrated construction system
Patent number
11,970,873
Issue date
Apr 30, 2024
Apache Industrial Services, Inc.
Kenneth M. Chevis
E04 - BUILDING
Information
Patent Grant
Shield tunnel segment structure and construction method thereof
Patent number
11,965,420
Issue date
Apr 23, 2024
Shandong University
Ke Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for waterproofing of tunnel structures
Patent number
11,965,421
Issue date
Apr 23, 2024
Sika Technology AG
Otmar Pally
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Underground storage system with V shaped support legs
Patent number
11,952,767
Issue date
Apr 9, 2024
Bio Clean Environmental Services, Inc.
Zachariha J. Kent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Protecting trolley and construction method of rock burst prewarning...
Patent number
11,920,474
Issue date
Mar 5, 2024
CHINA RAILWAY 16TH BUREAU GROUP CO., LTD.
Dong Ma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for the automated arrangement of tunnel lining se...
Patent number
11,913,337
Issue date
Feb 27, 2024
Herrenknecht AG
Stefan Pabst
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Expansive polymer grouting material for treating high-pressure larg...
Patent number
11,905,352
Issue date
Feb 20, 2024
Shandong University
Shucai Li
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
Full-circle secondary lining inverted arch construction formwork sy...
Patent number
11,898,447
Issue date
Feb 13, 2024
CCTEB INFRASTRUCTURE CONSTRUCTION INVESTMENT CO., LTD.
Xiaosong Dai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated manufacturing system and method for small-deformation se...
Patent number
11,891,897
Issue date
Feb 6, 2024
CNBM Technology Innovation Academy (Shandong) Co., Ltd.
Zhongchun Hu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Full-face shaft tunnel boring machine system
Patent number
11,891,865
Issue date
Feb 6, 2024
HEFEI DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO., LTD
Huidong Xu
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATIC SUPPORT DEVICE FOR RESISTING ROCK BURST IN MINES
Publication number
20250034996
Publication date
Jan 30, 2025
Shandong University of Science and Technology
Weiyao GUO
E21 - EARTH DRILLING MINING
Information
Patent Application
ANTI-CORROSION MATERIAL AND ANTI-CORROSION METHOD FOR SUBMERGED FLO...
Publication number
20250012189
Publication date
Jan 9, 2025
CCCC SHANGHAI THIRD HARBOUR ENGINEERING SCIENCE & TECHNOLOGY RESEARCH INSTITU...
Chengqi WANG
B32 - LAYERED PRODUCTS
Information
Patent Application
DYNAMIC MONITORING METHOD FOR REBOUND RATE OF WET SPRAYING SHOTCRETE
Publication number
20240404654
Publication date
Dec 5, 2024
CHINA TIESIJU CIVIL ENGINEERING GROUP CO., LTD.
Haoming Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and Methods for Underground Structures and Construction T...
Publication number
20240376821
Publication date
Nov 14, 2024
Darin R. Kruse
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
COMPOSITE FOAM-GLASS ELEMENTS AND USE THEREOF
Publication number
20240368885
Publication date
Nov 7, 2024
SG Schaumglas GmbH & Co. KG
Walter FRANK
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNEL CONSTRAINT ANCHOR CABLE AND METHOD FOR IMPROVING STABILITY O...
Publication number
20240368991
Publication date
Nov 7, 2024
CHANG'AN UNIVERSITY
Jianxun CHEN
E21 - EARTH DRILLING MINING
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
ROADWAY CONDUIT SYSTEMS AND METHODS
Publication number
20240360759
Publication date
Oct 31, 2024
Electricwaze LLC
Ross Tessien
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR BACKFILLING AND RECONSTRUCTING CARBON STORAGE SPACE IN A...
Publication number
20240360762
Publication date
Oct 31, 2024
TAIYUAN UNIVERSITY OF TECHNOLOGY
Guorui FENG
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
UNDERGROUND STORAGE SYSTEM WITH V SHAPED SUPPORT LEGS
Publication number
20240344315
Publication date
Oct 17, 2024
BIO CLEAN ENVIRONMENTAL SERVICES, INC.
Zachariha J. KENT
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
IMPROVED PROP ASSEMBLIES
Publication number
20240247506
Publication date
Jul 25, 2024
R.J. Goldspink Pty Limited
Robert Goldspink
E04 - BUILDING
Information
Patent Application
CONTROL FITTING, ARRANGEMENT AND METHOD FOR PRODUCING CONCRETE COMP...
Publication number
20240229645
Publication date
Jul 11, 2024
Putzmeister Engineering GmbH
Michael Höss
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
POLYMER MESH WITH REINFORCING BANDS FOR SKIN CONTROL IN HARD ROCK M...
Publication number
20240175357
Publication date
May 30, 2024
TENSAR CORPORATION, LLC
John STEFFENINO
E21 - EARTH DRILLING MINING
Information
Patent Application
TELESCOPIC DEVICE AND TELESCOPIC ANNULAR TUNNEL STEEL ARCH
Publication number
20240167383
Publication date
May 23, 2024
Zhejiang University City College
Xinjiang Wei
E21 - EARTH DRILLING MINING
Information
Patent Application
TUNNEL EXCAVATION APPARATUS AND METHOD FOR TBM EXCAVATION AND EXPAN...
Publication number
20240159148
Publication date
May 16, 2024
KANG NUNG CONSTRUCTION CO., LTD.
Kwang Eun CHO
E21 - EARTH DRILLING MINING
Information
Patent Application
ROADWAY CONDUIT SYSTEMS AND METHODS
Publication number
20240159149
Publication date
May 16, 2024
Electricwaze LLC
Ross Tessien
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTROL FITTING, ARRANGEMENT AND METHOD FOR PRODUCING CONCRETE COMP...
Publication number
20240133295
Publication date
Apr 25, 2024
Putzmeister Engineering GmbH
Michael Höss
E21 - EARTH DRILLING MINING
Information
Patent Application
WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THE...
Publication number
20240117134
Publication date
Apr 11, 2024
BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY CO., LTD.
Yuqin XIONG
E21 - EARTH DRILLING MINING
Information
Patent Application
RESTRAINING DEVICE
Publication number
20240092247
Publication date
Mar 21, 2024
Julien Macameau
B60 - VEHICLES IN GENERAL
Information
Patent Application
A CENTRIFUGAL INTELLIGENT CONSTRUCTION DEVICE FOR EXCAVATION CONCRE...
Publication number
20240084701
Publication date
Mar 14, 2024
ZHEJIANG UNIVERSITY
HAILONG WANG
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Application
STATIC CRUSHING DIRECTIONAL ANCHOR WITHDRAWAL METHOD AT END OF LARG...
Publication number
20240076985
Publication date
Mar 7, 2024
Huating Coal Group Co., Ltd.
Xuandong LI
E21 - EARTH DRILLING MINING
Information
Patent Application
Inflatable folding tunnel reinforcement structure and construction...
Publication number
20240076984
Publication date
Mar 7, 2024
HANGZHOU CITY UNIVERSITY
Gang WEI
E21 - EARTH DRILLING MINING
Information
Patent Application
A device and method for adjusting tunnel support force
Publication number
20240052744
Publication date
Feb 15, 2024
Ningbo Langda Engineering Technology Co., Ltd.
Liping Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATED METHOD AND PROCESSING TRAIN FOR LINING TUNNELS
Publication number
20240052743
Publication date
Feb 15, 2024
HINFRA S.R. L.
Stefano GUANZIROLI
E21 - EARTH DRILLING MINING
Information
Patent Application
FULL ROUND TRAVELLING FORMWORK FOR SECONDARY LINING OF TUNNELS
Publication number
20230417140
Publication date
Dec 28, 2023
TECOZAM ESTRUCTURAS Y DRENAJES SLU
Rubén GOMEZ ROJO
E21 - EARTH DRILLING MINING
Information
Patent Application
SHIELD TUNNEL SEGMENT STRUCTURE AND CONSTRUCTION METHOD THEREOF
Publication number
20230349290
Publication date
Nov 2, 2023
SHANDONG UNIVERSITY
Ke WU
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND CONSTRUCTION METHOD OF SINGLE-LAYER LINING TUNNEL STRUCT...
Publication number
20230349291
Publication date
Nov 2, 2023
BEJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO. LIMITED
Yonggang Jia
E21 - EARTH DRILLING MINING
Information
Patent Application
System and method for simultaneous excavation and segment erection...
Publication number
20230332504
Publication date
Oct 19, 2023
TopEng Inc.
Behzad Khorshidi
E21 - EARTH DRILLING MINING
Information
Patent Application
MODEL TEST APPARATUS AND METHOD FOR SHIELD TUNNEL POST-WALL GROUTIN...
Publication number
20230333279
Publication date
Oct 19, 2023
Ocean University of China
Fei Sha
G01 - MEASURING TESTING
Information
Patent Application
INTELLIGENT SEGMENT WITH CONCRETE EMBEDDED WITH GAS/LIQUID-FILLED S...
Publication number
20230313681
Publication date
Oct 5, 2023
Tongji University
Zhiguo YAN
E21 - EARTH DRILLING MINING