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with concrete cast in situ Shuttering also lost shutterings
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CPC
E21D11/10
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21D
SHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS
E21D11/00
Lining tunnels, galleries or other underground cavities
Current Industry
E21D11/10
with concrete cast in situ Shuttering also lost shutterings
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Patents Grants
last 30 patents
Information
Patent Grant
Model test apparatus and method for shield tunnel post-wall groutin...
Patent number
12,360,284
Issue date
Jul 15, 2025
OCEAN UNIVERSITY OF CHINA
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for backfilling and reconstructing carbon storage space in a...
Patent number
12,359,568
Issue date
Jul 15, 2025
Taiyuan University of Technology
Guorui Feng
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of and system for in-situ creation of concrete arches
Patent number
12,352,167
Issue date
Jul 8, 2025
BluCor Contracting, Inc.
Gordon Antoine Bluth
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Load bearing components and safety deck of an integrated constructi...
Patent number
12,352,060
Issue date
Jul 8, 2025
Apache Industrial Services, Inc.
Kenneth M. Chevis
E04 - BUILDING
Information
Patent Grant
Composite supporting structure combining fabric-form bag-behind-wal...
Patent number
12,331,642
Issue date
Jun 17, 2025
SHANDONG JIANZHU UNIVERSITY
Jun Wang
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
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
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
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
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
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
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
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
System and construction method of single-layer lining tunnel struct...
Patent number
11,821,316
Issue date
Nov 21, 2023
BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO. LIMITED
Yonggang Jia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for blocking mine water inrush
Patent number
11,781,429
Issue date
Oct 10, 2023
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite support system based on steel-concrete support and shotcr...
Patent number
11,753,936
Issue date
Sep 12, 2023
Shandong Jianzu University
Jun Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite support structure, construction system, and method
Patent number
11,739,639
Issue date
Aug 29, 2023
SHANDONG JIANZHU UNIVERSITY
Jun Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for renovating, repairing, reinforcing, protecting or newly...
Patent number
11,572,787
Issue date
Feb 7, 2023
S&P Clever Reinforcement Company AG
Etienne Pellissier
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Formwork for the production of concrete articles
Patent number
11,408,283
Issue date
Aug 9, 2022
SOINTEK S.R.L.
Michele Mancini
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel waterproofing composition and system
Patent number
11,391,152
Issue date
Jul 19, 2022
GCP Applied Technologies Inc.
David Cozzens
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Monitoring device for deformation of locked patch crack of rock slo...
Patent number
11,319,810
Issue date
May 3, 2022
China University of Geosciences (Wuhan)
Huiming Tang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of treating tunnel collapse using pavilion support
Patent number
11,306,588
Issue date
Apr 19, 2022
Shandong University of Science and Technology
Xianghui Meng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Load bearing components and safety deck of an integrated constructi...
Patent number
11,306,492
Issue date
Apr 19, 2022
Apache Industrial Services, Inc.
Kenneth M. Chevis
E04 - BUILDING
Information
Patent Grant
Method of treating tunnel collapse with roof-contacted shield support
Patent number
11,248,464
Issue date
Feb 15, 2022
Shandong University of Science and Technology
Lin Xin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunnel waterproofing composition and system
Patent number
11,242,751
Issue date
Feb 8, 2022
David Cozzens
E21 - EARTH DRILLING MINING
Information
Patent Grant
Loaded-to-frame detection equipment and method for backfill groutin...
Patent number
11,181,633
Issue date
Nov 23, 2021
Tongji University
Xiongyao Xie
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
TRAVELLING FORMWORK FOR CONCRETE FORMING OF A TUNNEL
Publication number
20250198285
Publication date
Jun 19, 2025
GRUPO EMPRESARIAL TECOZAM SL
Rubén GÓMEZ ROJO
E21 - EARTH DRILLING MINING
Information
Patent Application
MONITORING SYSTEM FOR MONITORING A STRENGTH DEVELOPMENT OF SPRAYED...
Publication number
20250198979
Publication date
Jun 19, 2025
Normet Oy
Samu KUKKONEN
G08 - SIGNALLING
Information
Patent Application
COMPOSITE SUPPORT STRUCTURE COMBINING BAG-BASED BACKFILL GROUTING A...
Publication number
20250198286
Publication date
Jun 19, 2025
Shandong Jianzhu University
Jun WANG
E21 - EARTH DRILLING MINING
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
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
SHOTCRETE GAUGE
Publication number
20250093141
Publication date
Mar 20, 2025
JDL Industries Inc.
John-David DANDENO
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
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
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
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
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
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
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
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
COMPOSITE SUPPORT SYSTEM BASED ON STEEL-CONCRETE SUPPORT AND SHOTCR...
Publication number
20230258085
Publication date
Aug 17, 2023
Shandong Jianzu University
Jun WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
MODULAR TUNNEL FORMWORK DEVICE
Publication number
20230220774
Publication date
Jul 13, 2023
KERN Tunneltechnik SA
Reiner KERN
E21 - EARTH DRILLING MINING
Information
Patent Application
MODULAR TUNNEL FORMWORK DEVICE
Publication number
20230220773
Publication date
Jul 13, 2023
KERN Tunneltechnik SA
Reiner KERN
E21 - EARTH DRILLING MINING
Information
Patent Application
SYNCHRONOUS SINGLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLI...
Publication number
20230212074
Publication date
Jul 6, 2023
Ocean University of China
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR S...
Publication number
20230212076
Publication date
Jul 6, 2023
Ocean University of China
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Application
Bearing Plate of an Integrated Construction System
Publication number
20230115437
Publication date
Apr 13, 2023
Apache Industrial Services, Inc.
Kenneth M. Chevis
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR TEMPORARY COATING SUPPORTING AND PERMANENT BO...
Publication number
20230095265
Publication date
Mar 30, 2023
CCTEG Coal Mining Research Institute
Hongpu KANG
E21 - EARTH DRILLING MINING
Information
Patent Application
COMPOSITE SUPPORT STRUCTURE, CONSTRUCTION SYSTEM, AND METHOD
Publication number
20220364469
Publication date
Nov 17, 2022
SHANDONG JIANZHU UNIVERSITY
Jun WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
Load Bearing Components and Safety Deck of an Integrated Constructi...
Publication number
20220341192
Publication date
Oct 27, 2022
Apache Industrial Services, Inc.
Kenneth M. Chevis
E04 - BUILDING
Information
Patent Application
Compressible Cementitious Compositions, Subterranean Systems, And M...
Publication number
20220251436
Publication date
Aug 11, 2022
Kevin Foody
E21 - EARTH DRILLING MINING
Information
Patent Application
Fitting Ring
Publication number
20220243486
Publication date
Aug 4, 2022
Apache Industrial Services, Inc.
Kenneth M. Chevis
E04 - BUILDING
Information
Patent Application
CONSTRUCTION METHOD FOR ENTERING SHALLOW-BURIED MULTI-ARCH TUNNEL U...
Publication number
20220106879
Publication date
Apr 7, 2022
China Construction Seventh Bureau Transportation Construction Co., Ltd.
Shunping HOU
E21 - EARTH DRILLING MINING