ClassID:

136045

E21D11/107 - CPC Classification

Classification description:

Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings , e.g. by assembling; Lining with building materials with concrete cast ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor Reinforcing elements therefor; Holders for the reinforcing elements

Recent Application in this class:
#1
20260103981
2026-04-16

PRESSURE-CONTROLLED TUNNEL DIRECTIONAL GROUTING-BASED REINFORCEMENT DEVICES

#2
20250389116
2025-12-25

STRUCTURAL SYSTEM FOR BUILDING AND CIVIL ENGINEERING WORKS AND CONSTRUCTION METHOD

#3
20250198286
2025-06-19

COMPOSITE SUPPORT STRUCTURE COMBINING BAG-BASED BACKFILL GROUTING AND HIGH-STRENGTH SUPPORT FRAME, AND CONSTRUCTION METHOD

#4
20240117134
2024-04-11

WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THEREOF, AND TUNNEL WATERPROOF SYSTEM

#5
20240052743
2024-02-15

AUTOMATED METHOD AND PROCESSING TRAIN FOR LINING TUNNELS

#6
20230349291
2023-11-02

System and construction method of single-layer lining tunnel structure based on mine-tunnelling method

#7
20230258085
2023-08-17

Composite support system based on steel-concrete support and shotcrete arch and construction process thereof

#8
20210301660
2021-09-30

CONSTRUCTION METHOD FOR MAKING WATER-RICH SAND LAYER SHIELD OVER CROSS EXISTING LINE AND UNDERNEATH CROSS SEWAGE PUSH PIPE AT CLOSE RANGE

#9
20210239003
2021-08-05

Tunnel support system and method

#10
20210070660
2021-03-11

ECONOMICAL HIGH-STRENGTH QUICK-HARDENING GROUTING MATERIAL AND GROUTING REINFORCEMENT METHOD FOR SOFT ROCK TUNNEL

#11
20210032990
2021-02-04

Method for renovating, repairing, reinforcing, protecting or newly creating corrugated metal-sheet tunnels, and corrugated metal-sheet tunnels of this type

#12
20210003010
2021-01-07

APPARATUS AND METHOD FOR SLIPFORMING A SHAFT

#13
20200284147
2020-09-10

Reinforcement system for the concrete lining of the inner shell of a tunnel construction

#14
20200263543
2020-08-20

Tunnel support system and method

#15
20200263542
2020-08-20

Underground support system and method

#16
20190383016
2019-12-19

Apparatus for prestressing concrete floor of inclined shaft wall

#17
20190071968
2019-03-07

Method for deformation control of large-span tunnel in chlorite schist stratum

#18
20180223663
2018-08-09

Self-pouring mold system and method of fire-proofing, repairing, and reinforcing using the same

#19
20180094524
2018-04-05

Fill fence system and method for installing same

#20
20160333543
2016-11-17

Retainment wall for underground mine and method of construction

#21
20160290135
2016-10-06

Protective element, concrete element, and method for producing a concrete element

#22
20140069047
2014-03-13

Lattice girder

#23
20130047545
2013-02-28

Reinforcement system for concrete structures and a method for reinforcing an elongate concrete structure

#24
20120301224
2012-11-29

Protective element, concrete element, and method for producing a concrete element

#25
20090126479
2009-05-21

Depth Indicator for Indicating The Depth of a Settable Material and a Method of Applying a layer of a Settable Material onto a Support Surface

#26
20070175127
2007-08-02

Shearing force reinforced structure and member

#27
20050031420
2005-02-10

Mine roof-support truss

#28
19176160
2026-01-13

Excavation compensation method for tunnelling in deep rock engineering

#29
19099804
2025-06-17

Composite supporting structure combining fabric-form bag-behind-wall grouting and high-strength support frames, and construction method thereof

#30
18673287
2024-09-10

Undercutting-covered excavation semi-reverse construction method of cross-transfer subway station

#31
18638552
2024-07-16

Rock burst active prevention and control mechanism