SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Industry

CPC
E21D

Parent Industries

Current Industry

E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Sub Industries

E21D1/00Sinking shafts E21D11/00Lining tunnels, galleries or other underground cavities E21D13/00Large underground chambers Methods or apparatus for making them E21D15/00Props Chocks E21D17/00Caps for supporting mine roofs E21D19/00Provisional protective covers for working space E21D20/00Setting anchoring-bolts E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working , or shaft-lining protection E21D23/00Mine roof supports for step- by- step movement E21D3/00Raising shafts E21D5/00Lining shafts Linings therefor E21D7/00Shaft equipment E21D8/00Shafts not provided for in groups E21D1/00 - E21D7/00 E21D9/00Tunnels or galleries, with or without linings Methods or apparatus for making thereof Layout of tunnels or galleries

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and composition for limiting permeability of a matrix to lim...
- Patent number 12,288,626
- Issue date Apr 29, 2025
- Relborn Party Ltd
- Deon Van Dyk
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Rotary digging drill and amphibious tunnel construction robot using...
- Patent number 12,286,884
- Issue date Apr 29, 2025
- WUHAN CONSTRUCTION ENGINEERING GROUP CO., LTD.
- Shuai Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealing profile for concrete tubbing
- Patent number 12,281,574
- Issue date Apr 22, 2025
- Sealable Solutions GmbH
- David Robes
- E04 - BUILDING
Information Patent Grant
Three-level prevention and control method for rock burst roadway
- Patent number 12,276,196
- Issue date Apr 15, 2025
- CCTEG COAL MINING RESEARCH INSTITUTE
- Yongzheng Wu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel excavation device
- Patent number 12,276,197
- Issue date Apr 15, 2025
- Komatsu Ltd.
- Naoki Sekiyama
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic support device for resisting rock burst in mines
- Patent number 12,276,194
- Issue date Apr 15, 2025
- Weiyao Guo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bolt assembly having an indicator
- Patent number 12,276,195
- Issue date Apr 15, 2025
- ROCBOLT TECHNOLOGIES (PTY) LTD.
- Werner Bellingham
- E21 - EARTH DRILLING MINING
Information Patent Grant
Friction fit drill bit assembly for a self-drilling rock bolt
- Patent number 12,264,585
- Issue date Apr 1, 2025
- INNOVATIVE MINING PRODUCTS (PTY) LTD
- Paolo Ettore Pastorino
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel excavation device
- Patent number 12,258,864
- Issue date Mar 25, 2025
- Komatsu Ltd.
- Masahiro Suwano
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control method for tunnel excavation device and tunnel excavation d...
- Patent number 12,258,863
- Issue date Mar 25, 2025
- Komatsu Ltd.
- Shigeaki Ashikaga
- E21 - EARTH DRILLING MINING
Information Patent Grant
Experimental system for surrounding rock crack evolution and water...
- Patent number 12,258,862
- Issue date Mar 25, 2025
- LINYI UNIVERSITY
- Hailong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Microwave-based mining systems and methods with robotic arm waveguide
- Patent number 12,252,988
- Issue date Mar 18, 2025
- Off-World, Inc.
- James Jason Murray
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Induced polarization method and system mounted on while drilling-ty...
- Patent number 12,252,989
- Issue date Mar 18, 2025
- Shandong University
- Lichao Nie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Crack-resistant ultra-high performance concrete for underground eng...
- Patent number 12,252,444
- Issue date Mar 18, 2025
- Shandong University
- Fengling Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular tunnel formwork device
- Patent number 12,247,488
- Issue date Mar 11, 2025
- KERN TUNNELTECHNIK SA
- Reiner Kern
- E21 - EARTH DRILLING MINING
Information Patent Grant
Warning device for a mining control module
- Patent number 12,234,731
- Issue date Feb 25, 2025
- Caterpillar Inc.
- Dennis Heidbrink
- G08 - SIGNALLING
Information Patent Grant
Automatic leveling carbon fiber reinforced polymer (CFRP) plate pre...
- Patent number 12,234,661
- Issue date Feb 25, 2025
- FUJIAN UNIVERSITY OF TECHNOLOGY
- Wei Zhang
- E04 - BUILDING
Information Patent Grant
Surrounding rock stability control method adapted for coal mining a...
- Patent number 12,221,887
- Issue date Feb 11, 2025
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ventilation method for high gas working face based on alternating i...
- Patent number 12,221,888
- Issue date Feb 11, 2025
- Taiyuan University of Technology
- Guorui Feng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic scanning system for tunnel walls constructed by open-type...
- Patent number 12,216,469
- Issue date Feb 4, 2025
- Beijing Research Institute of Uranium Geology
- Ju Wang
- E21 - EARTH DRILLING MINING
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
Automatic microseismic monitoring-intelligent rockburst early warni...
- Patent number 12,203,373
- Issue date Jan 21, 2025
- INSTITUTE OF ROCK AND SOIL MECHANICS,CHINESE ACADEMY OF SCIENCES
- Bingrui Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Visual indicator for correct torsion of a rock bolt
- Patent number 12,203,372
- Issue date Jan 21, 2025
- Sandvik Mining and Construction Tools AB
- Steven Weaver
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chemical fastening method with an inorganic mortar system having al...
- Patent number 12,202,772
- Issue date Jan 21, 2025
- Hilti Aktiengesellschaft
- Markus Schönlein
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel boring machine
- Patent number 12,196,083
- Issue date Jan 14, 2025
- Herrenknecht Aktiengesellschaft
- Werner Burger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems and methods for non-contact boring
- Patent number 12,196,082
- Issue date Jan 14, 2025
- Phoenix Boring, Inc.
- Ian Wright
- 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
Multi-stage control negative Poisson self-expanding anchor apparatus
- Patent number 12,173,606
- Issue date Dec 24, 2024
- North China University of Water Resources and Electric Power
- Xingsheng Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel excavation device
- Patent number 12,173,607
- Issue date Dec 24, 2024
- Komatsu Ltd.
- Naoki Sekiyama
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ASYMMETRIC HYDRAULIC SUPPORTS FOR PSEUDO INCLINED MINING IN STEEPLY...
- Publication number 20250116192
- Publication date Apr 10, 2025
- Xi'an University of Science and Technology
- Yongping WU
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTARY DIGGING DRILL AND AMPHIBIOUS TUNNEL CONSTRUCTION ROBOT USING...
- Publication number 20250109689
- Publication date Apr 3, 2025
- WUHAN CONSTRUCTION ENGINEERING GROUP CO., LTD.
- Shuai WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
VISUALIZATION GROUTING DEVICE FOR COAL AND ROCK FISSURES AND TEST M...
- Publication number 20250101868
- Publication date Mar 27, 2025
- Henan Polytechnic University
- Dengke Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
SUPPORT PROP
- Publication number 20250101869
- Publication date Mar 27, 2025
- MSP MINE SUPPORT PRODUCTS (PTY) LTD
- CHRISTIAN ENGELSTOFT NISSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND DEVICE FOR IDENTIFYING FULL-SECTION EXCAVATION PARAMETER...
- Publication number 20250102701
- Publication date Mar 27, 2025
- China Railway Eleventh Bureau Group Co., Ltd
- Jun GAO
- F42 - AMMUNITION BLASTING
Information Patent Application
GROOVE-TYPE SKELETON, SEALED LINING STRUCTURE, UNDERGROUND GAS STOR...
- Publication number 20250092786
- Publication date Mar 20, 2025
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Guanhua SUN
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BOLT
- Publication number 20250092787
- Publication date Mar 20, 2025
- MSP MINE SUPPORT PRODUCTS (PTY) LTD
- CHRISTIAN ENGELSTOFT NISSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR AUTOMATICALLY COLLECTING MULTIPLE INFORMATION...
- Publication number 20250095177
- Publication date Mar 20, 2025
- China Railway Economic and Planning Research Institute Co., Ltd.
- Siming TIAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SHOTCRETE GAUGE
- Publication number 20250093141
- Publication date Mar 20, 2025
- JDL Industries Inc.
- John-David DANDENO
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTROL APPARATUS AND METHOD FOR BUOYANCY ADJUSTMENT OF SHIELD TUNN...
- Publication number 20250067177
- Publication date Feb 27, 2025
- Shenzhen Campus of Sun Yat-sen University
- LINCHONG HUANG
- E21 - EARTH DRILLING MINING
Information Patent Application
Systems And Methods For Non-Contact Boring
- Publication number 20250067176
- Publication date Feb 27, 2025
- Phoenix Boring, Inc.
- Ian Wright
- E21 - EARTH DRILLING MINING
Information Patent Application
BULK RESIN INJECTION SYSTEM
- Publication number 20250067178
- Publication date Feb 27, 2025
- Joy Global Underground Mining LLC
- Callum K. Tyler
- E21 - EARTH DRILLING MINING
Information Patent Application
GROUT PLUG WITH GASKET FOR POCKET FORMER
- Publication number 20250059890
- Publication date Feb 20, 2025
- Felix Sorkin
- E21 - EARTH DRILLING MINING
Information Patent Application
INJECTION DRIVER ASSEMBLY FOR HOLLOW BAR BOLT INSTALLATION
- Publication number 20250034997
- Publication date Jan 30, 2025
- Cementation USA Inc.
- Steven Immenschuh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROCK BOLT
- Publication number 20250034998
- Publication date Jan 30, 2025
- Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd.
- Mietek RATAJ
- E21 - EARTH DRILLING MINING
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
Dual-Power Hydraulic Roof Bolter
- Publication number 20250027413
- Publication date Jan 23, 2025
- HEBEI JINGLONG INTELLIGENT EQUIPMENT CO., LTD.
- Zilong YAN
- B60 - VEHICLES IN GENERAL
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
VENTILATION METHOD FOR HIGH GAS WORKING FACE BASED ON ALTERNATING I...
- Publication number 20250003337
- Publication date Jan 2, 2025
- Taiyuan University of Technology
- Guorui FENG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR EVALUATING STABILITY OF TUNNEL SURROUNDING ROCK CONSIDER...
- Publication number 20240411047
- Publication date Dec 12, 2024
- CHINA UNIVERSITY OF GEOSCIENCES (WUHAN)
- Guohua ZHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR SELECTING PARAMETERS FOR TUNNEL SUPPORT BASED ON ENGINEE...
- Publication number 20240410280
- Publication date Dec 12, 2024
- Beijing Urban Construction Design&Development Group Co., Limited
- Gang LEI
- E21 - EARTH DRILLING MINING
Information Patent Application
DIGITAL SPEED REGULATING VALVE FOR ALIGNING HYDRAULIC SUPPORTS IN F...
- Publication number 20240401480
- Publication date Dec 5, 2024
- Taiyuan University of Technology
- Ziming KOU
- E21 - EARTH DRILLING MINING
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
High Capacity Rock Bolt
- Publication number 20240376822
- Publication date Nov 14, 2024
- FCI HOLDINGS DELAWARE, INC.
- Anthony Dodds
- E21 - EARTH DRILLING MINING
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
ENERGY DEVICE FOR SHIELD MACHINES
- Publication number 20240368990
- Publication date Nov 7, 2024
- China Railway Sunward Engineering Equipment Co., Ltd.
- Qi Chen
- 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

SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Method and composition for limiting permeability of a matrix to lim...

Rotary digging drill and amphibious tunnel construction robot using...

Sealing profile for concrete tubbing

Three-level prevention and control method for rock burst roadway

Tunnel excavation device

Automatic support device for resisting rock burst in mines

Rock bolt assembly having an indicator

Friction fit drill bit assembly for a self-drilling rock bolt

Tunnel excavation device

Control method for tunnel excavation device and tunnel excavation d...

Experimental system for surrounding rock crack evolution and water...

Microwave-based mining systems and methods with robotic arm waveguide

Induced polarization method and system mounted on while drilling-ty...

Crack-resistant ultra-high performance concrete for underground eng...

Modular tunnel formwork device

Warning device for a mining control module

Automatic leveling carbon fiber reinforced polymer (CFRP) plate pre...

Surrounding rock stability control method adapted for coal mining a...

Ventilation method for high gas working face based on alternating i...

Automatic scanning system for tunnel walls constructed by open-type...

System and method for simultaneous excavation and segment erection...

Automatic microseismic monitoring-intelligent rockburst early warni...

Visual indicator for correct torsion of a rock bolt

Chemical fastening method with an inorganic mortar system having al...

Tunnel boring machine

Systems and methods for non-contact boring

Synchronous single-liquid grouting slurry, its technology and appli...

Screen handling system

Multi-stage control negative Poisson self-expanding anchor apparatus

Tunnel excavation device

Patents Applicationslast 30 patents

ASYMMETRIC HYDRAULIC SUPPORTS FOR PSEUDO INCLINED MINING IN STEEPLY...

ROTARY DIGGING DRILL AND AMPHIBIOUS TUNNEL CONSTRUCTION ROBOT USING...

VISUALIZATION GROUTING DEVICE FOR COAL AND ROCK FISSURES AND TEST M...

SUPPORT PROP

METHOD AND DEVICE FOR IDENTIFYING FULL-SECTION EXCAVATION PARAMETER...

GROOVE-TYPE SKELETON, SEALED LINING STRUCTURE, UNDERGROUND GAS STOR...

ROCK BOLT

METHOD AND SYSTEM FOR AUTOMATICALLY COLLECTING MULTIPLE INFORMATION...

SHOTCRETE GAUGE

CONTROL APPARATUS AND METHOD FOR BUOYANCY ADJUSTMENT OF SHIELD TUNN...

Systems And Methods For Non-Contact Boring

BULK RESIN INJECTION SYSTEM

GROUT PLUG WITH GASKET FOR POCKET FORMER

INJECTION DRIVER ASSEMBLY FOR HOLLOW BAR BOLT INSTALLATION

ROCK BOLT

AUTOMATIC SUPPORT DEVICE FOR RESISTING ROCK BURST IN MINES

Dual-Power Hydraulic Roof Bolter

ANTI-CORROSION MATERIAL AND ANTI-CORROSION METHOD FOR SUBMERGED FLO...

VENTILATION METHOD FOR HIGH GAS WORKING FACE BASED ON ALTERNATING I...

METHOD FOR EVALUATING STABILITY OF TUNNEL SURROUNDING ROCK CONSIDER...

METHOD FOR SELECTING PARAMETERS FOR TUNNEL SUPPORT BASED ON ENGINEE...

DIGITAL SPEED REGULATING VALVE FOR ALIGNING HYDRAULIC SUPPORTS IN F...

DYNAMIC MONITORING METHOD FOR REBOUND RATE OF WET SPRAYING SHOTCRETE

High Capacity Rock Bolt

Apparatus and Methods for Underground Structures and Construction T...

COMPOSITE FOAM-GLASS ELEMENTS AND USE THEREOF

ENERGY DEVICE FOR SHIELD MACHINES

TUNNEL CONSTRAINT ANCHOR CABLE AND METHOD FOR IMPROVING STABILITY O...

Shaft Excavator

ROADWAY CONDUIT SYSTEMS AND METHODS