Sinking shafts

Industry

CPC
E21D1/00

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Current Industry

Sub Industries

E21D1/02by hand E21D1/03mechanically E21D1/04with grabs E21D1/06with shaft-boring cutters E21D1/08while moving the lining downwards E21D1/10Preparation of the ground E21D1/105by water level modification E21D1/12by freezing E21D1/14Freezing apparatus E21D1/16by petrification

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Feeding device for subway grille main reinforcement conveying
- Patent number 12,304,741
- Issue date May 20, 2025
- Tianjin University
- Lianyong Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fitting ring
- Patent number 12,291,885
- Issue date May 6, 2025
- Apache Industrial Services, Inc.
- Kenneth M. Chevis
- E21 - EARTH DRILLING MINING
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
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
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
Tunnel excavation device
- Patent number 12,258,864
- Issue date Mar 25, 2025
- Komatsu Ltd.
- Masahiro Suwano
- 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
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
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

Patents Applicationslast 30 patents

Information Patent Application
SPRAY-APPLIED POLYURETHANE INSULATION MATERIAL FOR TUNNELS IN COLD...
- Publication number 20250171646
- Publication date May 29, 2025
- CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED
- Xiaoxiong Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WORK CARRIAGE FOR THE LINING OF TUNNELS
- Publication number 20250163806
- Publication date May 22, 2025
- HINFRA S.R. L.
- Stefano GUANZIROLI
- E21 - EARTH DRILLING MINING
Information Patent Application
RECESS FILLING MATERIAL KIT, CURED PRODUCT THEREOF, AND RECESS FILL...
- Publication number 20250154361
- Publication date May 15, 2025
- Resonac Corporation
- Yoichiro SAKAGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SELF-STABILIZING INTEGRALLY-MOLDED PILLAR FILLING STRUCTURE FOR UND...
- Publication number 20250146414
- Publication date May 8, 2025
- China University of Mining and Technology
- Shuai YAN
- E21 - EARTH DRILLING MINING
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
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
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
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
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...

Sinking shafts

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Feeding device for subway grille main reinforcement conveying

Fitting ring

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

Sealing profile for concrete tubbing

Automatic support device for resisting rock burst in mines

Tunnel excavation device

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

Modular tunnel formwork device

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

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

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

Screen handling system

Modular tunnel formwork device

Compressible cementitious compositions, subterranean systems, and m...

Insulating material, method for inspecting the weld and control sys...

Centrifugal intelligent construction device for excavation concrete...

Control fitting, arrangement and method for producing concrete comp...

Undercutting-covered excavation semi-reverse construction method of...

Telescopic device and telescopic annular tunnel steel arch

Device and method for accurately fixing internal waterstop in lakeb...

Method of no-pillar mining with gob-entry retaining adapted for ful...

Rock burst active prevention and control mechanism

Tunnel support system and method

Drill head and method for producing a vertical borehole in the ground

Method and system for non-destructive testing of tunnel lining

Swing arm plow apparatuses and methods

Tunnel profile element

Inflatable folding tunnel reinforcement structure and construction...

Bearing plate of an integrated construction system

Shield tunnel segment structure and construction method thereof

Patents Applicationslast 30 patents

SPRAY-APPLIED POLYURETHANE INSULATION MATERIAL FOR TUNNELS IN COLD...

WORK CARRIAGE FOR THE LINING OF TUNNELS

RECESS FILLING MATERIAL KIT, CURED PRODUCT THEREOF, AND RECESS FILL...

SELF-STABILIZING INTEGRALLY-MOLDED PILLAR FILLING STRUCTURE FOR UND...

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

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

SUPPORT PROP

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

SHOTCRETE GAUGE

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

AUTOMATIC SUPPORT DEVICE FOR RESISTING ROCK BURST IN MINES

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

DYNAMIC MONITORING METHOD FOR REBOUND RATE OF WET SPRAYING SHOTCRETE

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

COMPOSITE FOAM-GLASS ELEMENTS AND USE THEREOF

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

Shaft Excavator

ROADWAY CONDUIT SYSTEMS AND METHODS

METHOD FOR BACKFILLING AND RECONSTRUCTING CARBON STORAGE SPACE IN A...

UNDERGROUND STORAGE SYSTEM WITH V SHAPED SUPPORT LEGS

IMPROVED PROP ASSEMBLIES

CONTROL FITTING, ARRANGEMENT AND METHOD FOR PRODUCING CONCRETE COMP...

POLYMER MESH WITH REINFORCING BANDS FOR SKIN CONTROL IN HARD ROCK M...

TELESCOPIC DEVICE AND TELESCOPIC ANNULAR TUNNEL STEEL ARCH

TUNNEL EXCAVATION APPARATUS AND METHOD FOR TBM EXCAVATION AND EXPAN...

ROADWAY CONDUIT SYSTEMS AND METHODS

CONTROL FITTING, ARRANGEMENT AND METHOD FOR PRODUCING CONCRETE COMP...

WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THE...

RESTRAINING DEVICE

A CENTRIFUGAL INTELLIGENT CONSTRUCTION DEVICE FOR EXCAVATION CONCRE...